AnswersMath 7 B M12 2526 S2Surface Area of Pyramids

Surface Area of Pyramids Answers

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The largest pyramid at Giza is a square pyramid. It has a base of 756 feet and a slant height of 612 feet. Which represents the two-dimensional net of this pyramid?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
2
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The area of each triangular face is 2448✔ 66132 in.

A
24
B
48
C
✔ 66
D
132
3

Gabriel will need 240276✔ 408474 in.

A
240
B
276
C
✔ 408
D
474
4

The total surface area of the pyramid is 95.75109✔ 141.5191.5 square inches.

A
95.75
B
109
C
✔ 141.5
D
191.5
5

Which are true about the pyramid? Check all that apply.

A
The base of the pyramid is a square with four sides, each measuring 756 feet.
B
The slant height of the pyramid is 612 feet.
C
The slant height of the pyramid is 756 feet.
D
All four triangular faces are congruent.
E
All four triangular faces are not congruent.
F
The pyramid has four lateral faces.
6

How much paint does he need?

A
64 in.2
B
96 in.2
C
192 in.2
D
256 in.2
7

Consider the square pyramid shown. If each dimension is doubled, how does the surface area change?

A
The surface area doubles.
B
The surface area triples.
C
The surface area increases by 4 times.
D
The surface area increases by 8 times.
8

Question text not available

Answers:
square inches:50
square inches.:28
square inches.:17.75
square inches.:141.5
9

The area of the square base is 2448132✔ 144 in.

Answers:
in.:144
in.:66
in.:408
10

Which statements are true? Check all that apply.

A
The solid formed by the net will be a rectangular pyramid.
B
The solid formed by the net will be a square pyramid.
C
All four triangular faces have an area of 12 m2.
D
There are two sets of opposite congruent triangular faces.
E
The base has an area of 30 m2.
11

Alina says the area of the rectangular face is 10 in.2. Is she correct?

A
No, the face’s dimensions are 4 in. by 7 in., so the area is 28 in.2.
B
No, the face’s dimensions are 4 in. by 6 in., so the area is 24 in.2.
C
No, the face’s dimensions are 6 in. by 7 in., so the area is 21 in.2.
D
Yes, the face’s dimensions are 4 in. by 6 in., so the area is 10 in.2.
12

The base of the rectangular pyramid shown has an area of 10✔ 50100105 square inches

Answers:
square inches:50
square inches.:28
square inches.:17.75
square inches.:141.5
13

What is the surface area of the pyramid?

A
24.9 m2
B
55.7 m2
C
75.7 m2
D
105.4 m2
14

A triangular face with a base of 10 inches has an area of ✔ 2835.55662 square inches.

A
✔ 28
B
35.5
C
56
D
62
15

A triangular face with a base of 5 inches has an area of 14✔ 17.7535.538.5 square inches.

A
14
B
✔ 17.75
C
35.5
D
38.5

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