Answer:
For the triangle, the area is 7.5 in.
For the trapezoid, the area should be 90 cm
Step-by-step explanation:
The formula for a triangle is A=1/2bh and for a trapezoid it is (a+b)/2×h
Answer there is no choice, but it is x+1/3+2 1/2.
-3x-3x=21-6
9x=15
x=15/9