Answer:
A = 168 ft²
Step-by-step explanation:
Area = ((a + b) / 2)h
a = 18 ft
b = 18 + 6 = 24 ft
h = 8 ft
A = ((18 + 24)/2)8
A = (42/2)8
A = (21)8
168
Rectangle 18*8= 144 triangle formula is A=ab/2 so 6*8/2=24 now add them together 144+24=168
