Answer:
<h2>
12.5 units
</h2>
Step-by-step explanation:
Given figure : Trapezoid
Base sides,
a = 2.5
b = 7.5
Height ( h ) = 2.5
Now, finding the area:

Plug the values

Calculate the sum

Reduce the numbers with G.C.F 2

Calculate the product

Hope this helps...
Best regards!
\left[d \right] = \left[ 0\right][d]=[0] totally answer