Solution of triangles Questions and Answers

Solve using the quadratic formula. 4p² + 8p + 4 = 0 Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth. p= or p =

Solve using the quadratic formula. 7f² - 5f-3 = 0 Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth. f = or f =

Find a value of x that satisfies the equation cot (π/3) = tan (x).

Katie is playing a game using a 26-card deck that contains the black suits of the cards, which are 13 clubs and 13 spades. She can score bonus points if she draws a face card on her next turn. What is the probability that Katie will draw a king, queen, or jack on her next turn? A 3/13 B 3/26 C 6/13 D 1/4

In right △LMN, sin M = 0.759. What is cos N? A. 0.121 B. 0.241 C. 0.349 D. 0.651 E. 0.759

A survey of the men in a certain town showed that 35% of the men have blond hair and 14% of them have blond hair and blue eyes. The probability that a randomly selected man has blue eyes, given that he has blond hair, is

In △ABC, which trigonometric ratio has the value a/c ? A. tan A B. Cos A C. tan C D. cos C E. sin C

Regular pentagon ABCDE is formed by joining the midpoints of the sides of regular pentagon PORST. What is the measure of PAB? a. 30° b. 36° c. 60° d. 72°

Use the the triangles below to answer the following questions. a). Are the triangles above similar? How do you know? Show your reasoning in a flowchart b). Examine your work from part (a). Are the triangles also congruent ? Explain why or why not.

In triangle DEF, DE = 5 cm, angle D = 80°, and FE = 8 cm. Show that only one triangle can be drawn then solve the triangle to the nearest degree and nearest tenth of a centimetre.

Which three pairs of side lengths are possible measurements for the triangle? GH=8, GI=16 GH=2, HI= 2√3 GH = 2√3, HI=2 GH=8√3, GI=16 GH = 8√2 GI = 16 HI 7, GI=14

If m∠EOF=26 and m∠FOG = 38, then what is the measure of ∠EOG? The diagram is not to scale. 12 64 52 76

Sketch one cycle of the following graph and be sure to include an appropriate scale on each axis : y = 3sin (0.5x-30)

Expand and simplify (2x + 5) $ using Pascal's triangle. Show and EXPLAIN all steps to get full marks.

Solve for the angles of the triangle described below. Express all angles in degrees and round to the nearest hundredth. a = 7, b = 6, c = 4 Answer A = B = C=

After a bad storm, the bridge across the river along a nature trail was destroyed. Surveyors need to measure the exact distance because it will be difficult to get supplies to the site. They determine spots A and B will be the start of the bridge on either side due to regular flooding of the river. . One surveyor stands at spot A and measures the angle to another surveyor at points B and C. The angle at A is 27º. . The surveyor on the other side measures the angles at B and C as well at the distance between them. Angle B is 105° and angle C is 48°. The distance from B to C is 125 feet. How far is it from A to B? (Round to one decimal place, no units.)

Solve the right triangle (round values to one decimal place) a=3.2 m, b= 19.0⁰° C = 90°

The incircle of AABC is tangent to BC at X. Suppose the incircle has radius 2, |BX|=3 and |CX| = 4. What is the length of the side AB?

The letter or number on each side indicates the side's measure and the letter or number in the interior of each angle of each triangle indicates that angle's measure. Use your new conjectures to arrange the letters' values in order from greatest to the least. Angles from highest to the least are

Consider this transistor in a common-emitter circuit (RE = 0). Design this common- emitter circuit to produce the IV (lc vs. VCE) characteristic and load line (LL) as shown in the graph. Your answers are the following: a drawing of the circuit; the values of Vcc, Rc, Van, and Ra; and the value for the current-axis LL intercept (this intercept is shown as "?" on the IV graph).

Solve the right triangle ABC, with C = 90°. B=74.8°, b= 105 in. A=___(Simplify your answer. Type an integer or a decimal. Round to the nearest tenth as needed.) a=__(Simplify your answer. Type an integer or a decimal. Round to the nearest tenth as needed.) C=___(Simplify your answer. Type an integer or a decimal. Round to the nearest tenth as needed.)

A building 30.72 feet tall has a shadow that is 33.51 feet long. Find the angle of elevation of the sun to the nearest hundredth of a degree. The angle of elevation is degrees. (Round to the nearest hundredth as needed.)

A(n)___triangle always has 2 congruent angles. A. right B. acute C. isosceles D. scalene

Luis is flying a kite, holding his hands a distance of 9.75 feet above the ground play out. He measures the angle of elevation from his hand to the kite to be 35°. If the string from the kite to his hand is 140 feet long, how many feet is the kite above the ground? Round your answer to the nearest tenth of a foot if necessary.

Classify the figure formed by A (-9,2), B (1,2), and C (-4,2-5√3). equilateral triangle isosceles (not right) triangle a line right scalene triangle scalene (not right) triangle right isosceles triangle

If the sides of a triangle are 12, 13, and 20 and the shortest side of a similar triangle measure 27, find the measure of the longest side of that triangle.

Side D in triangle CDE corresponds to side L in the smaller triangle KLM. Side D is 8 inches long and the scale factor is 4. What is the measure of side L? a 5 inches b 2 inches c 16 inches d 20 inches

Given the equation y = 2cos3(x - 30°) + 1 has a maximum when x = 30°. Explain how to find other values of x when the same maximum value occurs.

ZX bisects WZY. If the measure of YXZ is (6m-12), what is the value of m? 6 17 90 102

How many triangles exist that fit the following criteria? C= 140, c = 6, a = 8

Use the laws of sines and cosines to solve each triangle with the given parts. SHOW ALL WORK IN ORDER TO RECEIVE CREDIT. Round to the value that's given for angles and sides. If no triangle exists, state so. If two triangles exist, write a second set of answers underneath the first set of answers. ∠A = 36.6 ° a = 5.7 in, c= 8.4 in m∠B= m ∠ C= b=

1. Choose the correct words to fill in the blanks. The negation "No triangle is equilateral" is.That means that the original statement, "Some triangles are equilateral" is true, false true, true false, false false, true

Elsa rented a movie. She started the movie at 10:33 PM and it ended at 1:28 AM. How long was the movie?

Paul's kitten jumped out of the house. It ran 21 feet, turned and ran 9 feet, and then turned 150° to face the house. How far away from the house is Paul's kitten? Round to the nearest hundredth.

Determine if the three numbers can be measures of the sides of a triangle. Write yes or no. Explain. 6, 7, 13 5, 10, 20 7, 12, 8 9, 10, 14 1, 2, 3 60, 70, 140

Find the distance between A(-1, 5) and C(3, 5). What is the distance between E(-3,-1) and F(4, -2)? Is AMNP with vertices M(1, 4), N(-3, -2), and P(4, -3) an isosceles triangle? Explain.

The lengths of three sides of a triangle are given. Determine whether Each triangle is a right triangle. 9 mm, 40 mm, 41 mm 19 ft, 16 ft, 20 ft Find the length of the diagonal of a rectangle whose length is 8 meters and whose width is 5 meters. (Example 3)

With the aid of a power reducing formula, 10sin²a = ? Select the correct answer below: 5-10cos (2a) 5-5cos (2a) 5-5cos (4a) 5+5cos (2a)

Solve the triangle. a=7 c=6 B=97.9° What is the length of side b? Select the correct choice below and, if necessary, fill in the answer box within your choice. A. b= (Round to the nearest tenth.) B. There is no solution. What is the measure of angle C? Select the correct choice below and, if necessary, fill in the answer box within your choice. A C= B. There is no solution. (Round to the nearest tenth.)

The points P = (15, −6,1,3), Q = (1, −3,0,8), R = (2,2, -14,5) form a right triangle in R^4. Which side is the hypotenuse?

What is the measure of the largest angle of a triangle having sides of length 215, 309, and 278?

Find all solutions to the following triangle. (Round your answers for angles A, B, A', and B' to the nearest minute. Round your answers for sides a and a' to the nearest whole number. If either triangle is not possible, enter NONE in each corresponding answer blank.) C= 29° 40', c = 348 m, b = 429 m First triangle (assume B ≤ 90°): A = B = a = Second triangle (assume B'> 90°): A' = B' = a' =

Which side lengths form a right triangle? Choose all answers that apply: A. 5,6,√30 B. 2.5, 18,5 C. √2,2, √6

AABC has acute angles and point X is inside AABC. Points P and R are on AB, points T and Q are on BC, and points S and U are on CA so that PQ passes through X and is parallel to AC, RS passes through X and is parallel to BC, and TU passes through X is parallel to BA. Prove that √|√△ABC|=√△XPR+√△XQT+√△XSUI.

Solve the triangle with the given measures: (a) B = 36.2°, C = 48.1°, and a = 10.6 (b) B= 22°, b = 2.5m, c = 4.9m

Solve the triangle with the given measures: (a) a = 3.4in, b = 2.6in, and C = 48° (b) a = 6, b = 8, c = 10

Use the Pythagorean Theorem to determine if the triangle is acute, obtuse, or right using the side lengths below. 9, 40, 41 right obtuse acute

Two sides and an angle are given below. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any resulting triangle(s) b=4.c 5, B 10" Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. (Type an integer or decimal rounded to two decimal places as needed.) OAA single triangle is produced, where CAN and a OB. Two triangles are produced, where the triangle with the smaller angle Chas C, A, and a and the triangle with the larger angle Chas C₂______and a₂ OC. No triangles are produced.

A right triangle has legs of lengths 2cm and 5cm. Find the exact length of the hypotenuse, then use a calculator to approximate that length. Finally, approximate the measure of the non-right angles in the triangle. Draw and label the triangle for me and be sure to show me how you get your answers (as always).

Let ABC be an equilateral triangle and let M be a point that does not lie on the circle described on the triangle. Show that the distances AM, BM and CM can form sides of a triangle.