The area of a body is 11 / 24 square meters. The upper bottom is 5 / 8, the lower bottom is 3 / 4, and the height is X

The area of a body is 11 / 24 square meters. The upper bottom is 5 / 8, the lower bottom is 3 / 4, and the height is X

(5/8+3/4)×x÷2=11/24