Answer:
96 square yards
Explanation:
whenever to see the word square
they usually mean area
area of a trapezoid = height times (base1 + base2)÷2
area of a trapezoid = 20 times (4.9 + 4.7)÷2
area of a trapezoid = 20 times (9.6)÷2
area of a trapezoid = 20 times 4.8
area of a trapezoid = 96