Area of Pyramids

Find the surface area of the triangular pyramid.

• 123.6 sq. feet

• 116.8 sq. feet

• 127.9 sq. feet

• 130.9 sq. feet

What is the surface area of this square pyramid?

• 70.1 sq. centimeters

• 78.9 sq. centimeters

• 84.5 sq. centimeters

• 81.9 sq. centimeters

Find the surface area of a triangular pyramid with base lengths of 10 and base height of 8.7 and slant height of 14.

• 609 m²

• 210 m²

• 297 m²

• 253.5 m²

What is the total surface area of the rectangular pyramid whose net is shown?

• 400 in²

• 800 in²

• 1,200 in²

• 1,600 in²

The total surface area of the square pyramid is ​ (a)   ​​ square centimeters and the lateral surface area is ​ ​ (b)   square centimeters.

• 176.4

• 127.4

• 149.2

• 183.2

The total surface area of the square pyramid is​​ (a)   ​ square units and the lateral surface area is ​ (b)   ​ square units.

• 176

• 112

• 162

• 217

Haley is creating a model of the Great Pyramid for a project. The base is square with a side length of 5.5 inches and is 8.4 inches high. The slant height of each triangular face is 8.9 inches. PART A: Label the correct dimensions from her model's net. PART B: Drag the total surface area to the bottom right where the arrow is pointing.

f

a

g

30.25 square in.

128.15 square in.

43.3 square in.

215.05 square in.

8.4 in.

8.9 in.

5.5 in.

Tags

MA.6.GR.2.4

The lateral surface area of the pyramid is ​ (a)   square centimeters (All sides except the base).

The total surface area of the pyramid is ​ (b)   square centimeters.​

• 160

• 224

• 320

• 384

Haley is creating a model of the Great Pyramid for a project. The base is square with a side length of 4.7 inches and is 6 inches high. The slant height of each triangular face is 7.1 inches.

PART A: Label the correct dimensions from her model's net.

PART B: Drag the total surface area to the bottom right where the arrow is pointing.

f

g

d

4.7 in.

7.1 in.

134.89 square in.

78.49 square in.

6 in.

88.83 square in.

39.245 square in.

Tags

MA.6.GR.2.4

The total surface area of the square pyramid is​​ (a)   ​ square centimeters and the lateral surface area is ​​ (b)   square centimeters.

• 180

• 144

• 260

• 217