Respuesta :

Answer:

area = 596.8 ft²

Step-by-step 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 = [tex]\frac{1}{2}[/tex] absinC

   = 0.5 × 35 × 35 × sin103° ≈ 596.8 ft²