Respuesta :

Hey there!

The area of a trapezoid is h(a+b/2), where h is the height and a and b are the two bases. We already have our area, so let's solve for our height in the equation.

40= x(16/2)

40=8x

x=5

Therefore, the height is B) five units.

I hope this helps!

Answer:

answer is 5

Step-by-step explanation: