Question

Please help me with questions 7

Answer 1

50 m

Explanation:

The area (A) of a trapezoid is found using the formula

A =
`(1)/(2)` h(a + b)

where h is the width and a, b the length of the bases

here a = 50, b = 10 and A = 1500

1500 =
`(1)/(2)`h(50 + 10) =
`(1)/(2)`h × 60 = 30h

divide both sides by 30

50 = h

The width is 50 m