Surface Area of a Pyramid

What is the total surface area of the pyramid?

• 20 in²

• 33 in²

• 44 in²

What is the total surface area of this square pyramid?

• 130.25 mm²

• 175 mm²

• 155 mm²

What is the area of one of the triangular faces?

• 30mm²

• 32mm²

• 32.5mm²

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

134.89 square in.

78.49 square in.

6 in.

7.1 in.

88.83 square in.

39.245 square in.

4.7 in.

Tags

MA.6.GR.2.4

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 surface area of this triangular pyramid?

• 198.9 sq. inches

• 205.6 sq. inches

• 187.9 sq. inches

• 210.6 sq. inches

Find the surface area of the square pyramid.

• 15 square meters

• 39 square meters

• 69 square meters

• 30 square meters

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

8.9 in.

30.25 square in.

8.4 in.

128.15 square in.

43.3 square in.

215.05 square in.

5.5 in.

Tags

MA.6.GR.2.4

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

• 400 in²

• 800 in²

• 1,200 in²

• 1,600 in²