9514 1404 393
Answer:
(c) 208 cm²
Step-by-step explanation:
The area is the area of a square and 4 triangles:
A = s² + 4(1/2bh)
A = (8 cm)² + 2(8 cm)(9 cm) = 64 cm² +144 cm²
A = 208 cm²
The surface area of the square pyramid is 208 cm².
