9.2 Surface Areas of Pyramids

9.2 Surface Areas of Pyramids

Multiple Choice

Find the area of this triangle.

• 21 in²

• 42 in²

• 14 in²

Multiple Choice

What is the surface area of a square pyramid with a base side length of 9 centimeters and a slant height of 7 centimeters?

• 126 cm²

• 207 cm²

• 140 cm²

Multiple Choice

What is the surface area of the regular pyramid at the right?

• 90 ft²

• 105.6 ft²

• 121.2