Answers2025-26 WCSB FL-1205040-MJ Grade 7 Mathematics B-4th onlySurface Area and Volume of Cylinders

Surface Area and Volume of Cylinders Answers

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1
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The area of the base is 36✔ 936

Question illustration
A
3
B
6
C
9
D
36
2
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The circumference of the base is 3✔ 6912 in.

Question illustration
A
3
B
6
C
9
D
12
3

The area of the lateral surface is 1218✔ 2436 in.

Question illustration
A
12
B
18
C
24
D
36
4

The surface area is 1833✔ 4257 in.

Question illustration
A
18
B
33
C
42
D
57
5

A soup can is 4 inches tall and has a radius of 1.3 inches. How much soup will fit in the can? Use 3.14 for and round your answer to the nearest tenth. in.3

Question illustration
Answer:

21.2

6

21 ft7 ft✔ 3.5 ft2 ft = h

A
21 ft
B
7 ft
C
3.5 ft
D
2 ft
7

Two cylinders have the same size base, but one is twice as tall. Explain why the taller cylinder does not have double the surface area.

Answer:

Answer

8

The radius of the base is ✔ 46816 cm.

A
4
B
6
C
8
D
16
9

Maria is making a candle in the shape of a cylinder. She wants the candle to have a height of 3 cm and a radius of 2 cm. How much wax does Maria need?

A
12 cm3
Option A
B
12 cm2
Option B
C
18 cm3
Option C
D
20 cm2
Option D
10

Maria has a metal candleholder, without a top, that has a height of 3 cm and a radius of 3 cm. How much metal was used to make the holder?

A
12 cm2
Option A
B
12 cm3
Option B
C
16 cm2
Option C
D
27 cm2
Option D
11

A soup can is 4 inches tall and has a radius of 1.3 inches. The can has a label wrapped around its entire lateral surface. How much paper was used to make the label? Use 3.14 for and round your answer to the nearest tenth. in.2

Question illustration
Answer:

32.7

12

The height of a cylinder is 7 inches. Another cylinder with the same size base has double the volume. What is the height of the second cylinder?

A
3.5 in.
B
7 in.
C
14 in.
D
28 in.
13

Check all that you included in your response.

A
Volume is the amount of space an object takes up.
B
Surface area is the area of the outside of an object.
14

Check all that you included in your response.

A
The area of the lateral surface doubles.
B
The area of the bases stays the same.
15

The area of the base is 8✔ 163264 cm

A
8
B
16
C
32
D
64
16

The volume of the cylinder is 64128✔ 240960 cm

A
64
B
128
C
240
D
960

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