Surface Area of Pyramids

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• 15m²
• 16m²
• 18m²
• 20m²

Find the surface area of the square pyramid.

• 15 square meters
• 39 square meters
• 69 square meters
• 30 square meters

The following triangular pyramid is made up of congruent triangles. What is the total surface area of the triangular pyramid?

• 30

• 15

• 60

• 120

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

• 126 cm²
• 144 cm²
• 252 cm²
• 333 cm²

A square pyramid is covered with decorative wrapping paper with no overlap.  The net of the box is shown on the right.  How many square centimeters of wrapping paper are needed to cover the surfaces of the box? 

• 108 cm²
• 324 cm²
• 180 cm²
• 432 cm²

Find the surface area of the triangular pyramid.

• 123.6 sq. feet
• 116.8 sq. feet
• 127.9 sq. feet
• 130.9 sq. feet

Find the total surface area of the following triangular pyramid.

Each triangle is congruent, with a base of 7 ft. and a height of 6ft.

• 168 ft²

• 126 ft²

• 84 ft²

• 42 ft²