Answer: 18
Step-by-step explanation: 3 + 6 = 9 divide by 2 = 4.5 * 4 = 18
Answer: 18 ft ^2
Step-by-step explanation:
the formula for the area of a trapezoid is:
A = 1/2 (a+b) h
a= 3 ft.
b = 6 ft
h = 4 ft
A = 1/2 (3+6) 4
A = 1/2 (9) (4)
A = 18 ft ^2
