Please explain how you got this

Answer:
area = 68 ft²
Step-by-step explanation:
area = 1/2(b1 + b2)(h) = 1/2(9 + 8)(8) = 68 ft²
Answer:
68
Step-by-step explanation:
First find the internal square area (64) then calculate the outer triangles (2 each) to get 68 plz thx, 5 str and mark brainliest