Surface of Pyramids and Cones

Find the slant height of the pyramid.

• 28 cm

• 25 cm

• 21 cm

• 24 cm

Find the surface area of the pyramid

• 336 m²

• 192 m²

• 384 m²

• 240 m²

Find the surface area of the cone.

• 131.95 mm²

• 223.1 mm²

• 62.83 mm²

• 103.67 mm²

A right pentagonal pyramid has a height of 6.9 cm and a slant height of 7 cm. The pyramid's base is a regular pentagon with a side length of 2 cm and an apothem of 1.4 cm. 
Which is the lateral area of the pentagonal pyramid?

• 7 cm²

• 14 cm²

• 35 cm²

• 70 cm²

Find the volume of the figure.

• 150.80 cm³

• 75.36 cm³

• 452.16 cm³

• 152 cm³

Find the surface area.

• 12 m²

• 16 m²

• 24 m²

• 20 m²

A pyramid has a square base. Each side of the base is 9 cm. The slant height of each triangle is 14 cm. What is the surface area?

• 126 cm²

• 144 cm²

• 252 cm²

• 333 cm²

What is surface area?  Round to the nearest hundredth

• 1339.73

• 1003.36

• 320.78

• 742.04

What is the volume of the figure?

• V = 840 ft³

• V = 420 ft³

• V = 140 ft³

• V = 280 ft³

Find the volume to the nearest hundredth.

• 12.57 ft³

• 37.68 ft³

• 18.84 ft³

• 6.28 ft³