Answer:
Area= 80 in square
Step-by-step explanation:
h=8
b=20
formula= b*h/2
so, 8*20/2
20
3 (b + a) = c
3 (4 + 5) = 7
12 + 15 = 7
27 = 7
27 - 7
Answer: It was the third answer. C.