Find the area of the trapezoid.
A. 15 cm2
B.18 cm2
C.21 cm2
D. 35 cm2

Answer:
B. 18 cm²
Step-by-step explanation:
The area of a trapezoid can be found using the formula ...
A = 1/2(b1 +b2)h
For the given dimensions, the area is ...
A = 1/2(7 cm +5 cm)(3 cm) = 1/2(12)(3) cm² = 18 cm²