Find the area of the trapezoid.
5 cm
3 cm
7cm
OA. 18 cm²
OB. 15 cm²
OC. 35 cm²
D. 21 cm

Answer:
18
Step-by-step explanation:
7 - 5 = 2
triangle = bh/2
triangle = 2(3) / 2
triangle = 3
rect = bh
rect = 3 x 5
rect = 15
trapezoid = 15 + 3
trapezoid = 18