A farmer has a field in the shape of a trapezoid, formed by three congruent isosceles triangles, as shown below. He wants to plant vegetation in the green shaded area and pour concrete in the remaining area.
A 185 yards B
283 yards
80°
D
E
с
1. What area of the field does the farmer plan to use for vegetation planting? Round your answer to the nearest tenth
of a square yard.
2. If a bag of top soil costs $12 and covers 36 square yards, how much will it cost the farmer to cover the vegetation
part of his field with the top soil?