The answer to this is A. 40
Answer:
228 cm²
Step-by-step explanation:
The base of the pyramid is a regular quadrilateral (a square), so there are 4 congruent lateral faces.
The total surface area is therefore:
A = 36 cm² + 4 (48 cm²)
A = 228 cm²
Answer:
7
Step-by-step explanation:
9x-5, I guess, not sure, but I'm combining like terms. Hope it's right.
