Respuesta :
The answer is 144ft^2
The formula of a trapezoid is a plus b over 2 then times height
A and b are the bases which are 15 and 21
15+21 is 36 and divided by two is 18
18 times the height which is 8
And that gives u the answer
The formula of a trapezoid is a plus b over 2 then times height
A and b are the bases which are 15 and 21
15+21 is 36 and divided by two is 18
18 times the height which is 8
And that gives u the answer