Bianca calculated the height of the equilateral triangle

Last updated: 5/23/2023

Bianca calculated the height of the equilateral triangle with side lengths of 10 tan 30 h 8 7 h A 30 Then she used the formula for area of a triangle to approximate its area as shown below bh 10 8 7 43 5 units2 5 Calculate the area of the equilateral triangle using the formula for area of a regular polygon and compare it to Bianca s answer The apothem rounded to the nearest tenth is units The perimeter of the equilateral triangle is Therefore the area of the equilateral triangle is or approximately 43 5 units V The calculated areas are units