Answer:
596.8 feet^2
Explanation:
The m < C = 180 - 2*38.5 = 103 degrees ( because the triangle is isosceles).
Use the formula: Area of a triangle = 1/2 ab sinC:
Area = 1/2 * 35 * 35 * sin 103
= 596.8 feet^2.
596.8 ft^2
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