Question

Please help? Problem solving in Trig

Answer 1

area = 596.8 ft²

Explanation:

Since the triangle is isosceles then AC = BC = 35

∠ACB = 180° - ( 2 × 38.5)° = 103°

Area (A) is found using the area formula

A =
`(1)/(2)` absinC

= 0.5 × 35 × 35 × sin103° ≈ 596.8 ft²