Question

I am unable to solve the '?m" side. Please help

Answer 1

7

Explanation:

Use the formula for the area of a trapezoid:

`\displaystyle A=(1)/(2)(b_1+b_2)h\\\\42=(1)/(2)(8+4)h\\\\42=(1)/(2)(12)h\\\\42=6h\\\\7=h`

Therefore, the height of the trapezoid is 7 meters.