# 7th Grade Math Volume Quiz

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| By Beastkid99
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Beastkid99
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Quizzes Created: 5 | Total Attempts: 6,617
Questions: 6 | Attempts: 1,467  Settings  Volume is essentially the amount of space occupied by a substance or object; therefore, a way of showing the size of the object. Objects come in different shapes, and therefore their volume is also calculated differently based on their shape. Do you think that you have what it takes to tackle this seventh-grade math volume quiz? Why don’t you give it a try and see what your score is!

• 1.

### Is it true that the formula for pi =3.14

• A.

True

• B.

False

A. True
Explanation
The statement is true because the formula for pi is approximately equal to 3.14. Pi is a mathematical constant that represents the ratio of a circle's circumference to its diameter. While the exact value of pi is an irrational number and cannot be expressed as a finite decimal, it is commonly approximated as 3.14 for practical calculations.

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• 2.

### Bob jr. has can that is the shape of a  cylinder and wants to fill it with water so he wants to know the volume of the can the height of the can is 5 in. and the diameter is 9in .what is the volume of the can ?

• A.

3.17.925 inches

• B.

3.17.925 inches squared

• C.

3.17.925inches cubed

• D.

3.17.926 inches cubed

C. 3.17.925inches cubed
Explanation
The correct answer is 3.17.925 inches cubed. The volume of a cylinder is calculated by multiplying the area of the base (which is π times the radius squared) by the height of the cylinder. In this case, the diameter of the can is given as 9 inches, so the radius is 9/2 = 4.5 inches. Therefore, the area of the base is π * (4.5^2) = 3.14 * 20.25 = 63.585 square inches. Multiplying this by the height of 5 inches gives us a volume of 317.925 cubic inches.

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• 3.

### Whats the volume of this

• A.

62.8 cm cubed

• B.

62.8 cm squared

• C.

62.8 cm

• D.

62.7 cm squared

A. 62.8 cm cubed
Explanation
The correct answer is 62.8 cm cubed because the question is asking for the volume, which is a three-dimensional measurement. The unit "cm cubed" represents a volume measurement, while "cm squared" represents an area measurement. Therefore, the answer 62.8 cm cubed is the appropriate choice for the volume of the given object.

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• 4.

### How did you figure out the area of the base of your prisms ?

• A.

Use 1/2 bh

• B.

You use bh

• C.

Use bhxh

• D.

Use 1/2(b1+b2)h

B. You use bh
Explanation
The correct answer is "you use bh." The formula for finding the area of the base of a prism is base times height (bh).

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