Answer:
720ft²
Explanation:
I'm guessing you have to find the area of the house.
Find the area of the rectangular portion of the house.
20 * 30 = 600
Find the area of the triangular portion of the house.
30 * 8 = 240
240 / 2 = 120
Add both together.
600 + 120 = 720
Best of Luck!