Question

An equilateral triangle has an apothem measuring 2.16 cm and a perimeter of 22.45 cm. What is the area of the triangle, rounded to the nearest tenth?

Answer 1

D

Explanation:

i got 100%

Answer 2

A = 24.2 cm squared

Explanation:

A triangle is a polygon with 3 sides. The area of a polygon is

`A= (1)/(2)ap` where a is the apothem and p is the perimeter. We have those measures so filling in gives us:

A = .5(2.16)(22.45) so

A = 24.2 cm squared