# Circle Questions and Answers

Math

CircleG 44 H 50 J 58 K 67 10 A 2 1 B 4 4 C 6 9 D 7 6 E 8 4 51 Radius OA of the circle shown below is perpendicular to AP The circle intersects OP at B The length of AP is 12 centimeters and the measure of ZAPO is 20 Which of the following values is closest to the length in centimeters of BP A B 20 12 20 P Note sin 20 0 342 cos 20 0 940 and tan 20 0 364 4

Math

Circle6 The radius is 9 m Length of SO is 100 T 7 Length of TV is 12 in The diameter is 9 Find all the missing angles Review 110 11 80 111 h 8 Length of AR is 40 cm CARE The radius is 8 146 D 70

Math

CircleIn Exercises 1 4 find the indicated measure A 1 area of a circle with a radius of 6 75 inches 2 area of a circle with a diameter of mile 10 3 radius of a circle with an area of 63 7 square kilometers 4 diameter of a circle with an area of 1040 62 square yards

Math

CircleIf segment AC and segment BC are tangent to circle O find the value of x 0 x B x 20 C Enter

Math

CircleGraph the equation to find symmetry. (Let 0 ≤ θ< 2π. Select all that apply.) r = 7 The graph is symmetric with respect to θ = 2π The graph is symmetric with respect to the polar axis. The graph is symmetric with respect to the pole. The graph has no symmetry.

Math

CircleWrite the equation in standard form for the circle that has a diameter with endpoints (1, 0) and (-1,0). (0)

Math

CircleIf Point B is 10 units away from the center of Circle A, which has a radius of 6 units, and a tangent line is drawn from Point B to the circle, what is the distance from Point B to the point of tangency?

Calculus

CircleA particle is located on the x-axis at the point (12,0). At time t = 0, it begins to move from its starting point in a circle around the origin counterclockwise. It returns to its original location on the x-axis at time t = 6.
a. Find a pair of parametric equations x(t) and y(t) which model the location of the particle on the coordinate plane for t≥0.
b. Find the coordinates of the particle at time t = 3.

Math

CircleJude walks around a circular path 4 times. The radius of the path is 100 yards. How many yards does he walk in all?
Use 3.14 for pl.
A. 2512 yards
B. 400 yards
C. 100 yards

Math

CircleIf the radius of a circle is 162 millimeters, then what is the circumference of the circle? Use pl = 3.14
A. 1,078.96 millimeters
B. 1,017.36 millimeters
C. 1,000.88 millimeters

Math

CircleWrite the standard equation for a circle.
center (10, -6), r = 6
Select one:
a. (x-10)² + (y + 6)² = 36
b. (x + 6)² + (y - 10)² = 36
c.(x + 10)² + (y - 6)² = 6
d. (x-10)² + (y + 6)² = 6

Math

CircleThe equation x²-6x + y² +6y+9=0 is an equation of a circle in expanded form. Complete the square to find the center and radius, and then write the equation of the circle in standard form. To earn full credit, you must show your work.
a. center
b. radius
c. Equation..

Math

CircleComplete the square and write the given equation in standard form. Then give the center and radius of the circle and graph the equation.
x+y² +8x-4y-16=0
The equation of the circle in standard form is (x+4)2-(y-2)²=36
(Simplify your answer)
The center of the circle is (-4,2)
(Type an ordered pair.)
The radius of the circle is r= 6

Math

CircleFind the center and radius of the circle with the equation (x-3)² + (x+7)² = 121
Center:
Radius: r

Math

CircleThe infield of a youth softball field is a square that measures 55 feet on each side. The pitching circle is 16 feet in diameter. A general rule of thumb is that a person can take up 2.5 ft² of space. What is the area of the circle? How many people can fit in the pitching circle?