15
2 pts
Find the area of the given shape,
a) 18
b) 15
c) 24
d) 21

9514 1404 393

  A.  18

Step-by-step explanation:

The area of a trapezoid is given by the formula ...

  A = 1/2(b1 +b2)h

Here, the parallel bases have lengths 3 and 9. The height is 3, so the area is ...

  A = 1/2(3 +9)(3) = 18

The area of the trapezoid is 18 square units.

{3 + i, 3 - i, 3, -1}

step-by-step explanation:

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