Question

A triangle has sides that measure 2 units, 5 units, and 5.39 units. What is the area?

Answer 1

12 units squared

Explanation:

12.39 = 2 (3.14)r

12.39 / 6.28 = 6.28r / 6.28

1.97= r

A= (3.14) (1.97)^2

A= 12.18