AnswersMath 7 B M12 2526 S2Surface Area of Pyramids

Surface Area of Pyramids Answers

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1
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The net below can be folded to form a square pyramid.What is the surface area of the pyramid?

Question illustration
A
190.8 square inches
B
217.8 square inches
C
300.6 square inches
D
354.6 square inches
2
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Cece is finding the surface area of a square pyramid by finding the sum of the areas of its faces. Which statement best describes the faces of the pyramid?

A
one square and three triangles
B
one square and four triangles
C
three squares and one triangle
D
three squares and two triangles
6

Which expression represents the total surface area, in square centimeters, of the square pyramid?

Question illustration
A
(8.2) (8.2) + 4 (one-half (8.2) (10.3))
Option A
B
(8.2) (8.2) + 4 (one-half (8.2) (11.1))
Option B
C
(8.2) (10.3) + 2 (one-half (10.3) (10.3)) + 2 (one-half (8.2) (10.3))
Option C
D
(8.2) (10.3) + 2 (one-half (10.3) (11.1)) + 2 (one-half (8.2) (11.1))
Option D
7

What is the surface area of the rectangular pyramid below?

Question illustration
A
386.9 ft2
B
593.8 ft2
C
639.4 ft2
D
1,053.2 ft2
8

Which statements are true about the rectangular pyramid below? Select three options.

Question illustration
A
The area of the base is 24 cm2.
B
There are four lateral faces.
C
All the lateral faces are congruent.
D
The total surface area of the figure is 66.4 cm2.
E
At least one of the lateral faces has an area equal to 24 cm2.
9

What is the total surface area of the rectangular pyramid below?

Question illustration
A
404 square feet
B
596 square feet
C
788 square feet
D
1,000 square feet
10

Garry is studying a square pyramid and wants to draw a net of the figure to help determine its surface area. Which net represents a square pyramid?

A
A net with a triangular base and 3 square sides.
Option A
B
A net with a square base, 2 triangular sides, and 2 square sides.
Option B
C
A net with a square base and 4 triangular sides.
Option C
D
A net with a square base, 2 triangular sides, and 4 square sides.
Option D

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