Answer:
1)
= 72 + 24h square inches.
2)
when h = 10 inches is equal to 312 square inches.
Explanation:
You have a gift box with a;
6 inches by 6 inches square base and a height, h.
Finding the total surface area (
) of the gift box;
= 2(6 × 6) + 4(6 × h) = 72 + 24h square inches
when h = 10 is;
= 72 + 24(10) = 312 square inches