Common Core: 7th Grade Math : Geometry

Study concepts, example questions & explanations for Common Core: 7th Grade Math

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Example Questions

Example Question #151 : Geometry

What is the circumference of a circle with a radius of ?

Possible Answers:

(Round your answer to the nearest tenth.)


Correct answer:

Explanation:

The circumference is given by the formula:

 

where is the radius.

Example Question #152 : Geometry

What is the circumference of the circle provided? 

1

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for the circumference of a circle: 

 or 

The circle in this question provides us with the radius, so we can use the first formula to solve:

Solve:

Example Question #153 : Geometry

What is the circumference of the circle provided? 


2

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for the circumference of a circle: 

 or 

The circle in this question provides us with the radius, so we can use the first formula to solve:

Solve:

Example Question #154 : Geometry

What is the circumference of the circle provided? 

3

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for the circumference of a circle: 

 or 

The circle in this question provides us with the radius, so we can use the first formula to solve:

Solve:

Example Question #155 : Geometry

What is the circumference of the circle provided? 


4

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for the circumference of a circle: 

 or 

The circle in this question provides us with the radius, so we can use the first formula to solve:

Solve:

Example Question #156 : Geometry

What is the circumference of the circle provided? 


5

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for the circumference of a circle: 

 or 

The circle in this question provides us with the radius, so we can use the first formula to solve:

Solve:

Example Question #153 : Geometry

What is the circumference of the circle provided? 


7

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for the circumference of a circle: 

 or 

The circle in this question provides us with the diameter, so we can plug the diameter into the second formula:

 

Example Question #158 : Geometry

What is the circumference of the circle provided? 


8

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for the circumference of a circle: 

 or 

The circle in this question provides us with the diameter, so we can plug the diameter into the second formula:

Example Question #154 : Geometry

What is the circumference of the circle provided? 


9

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for the circumference of a circle: 

 or 

The circle in this question provides us with the diameter, so we can plug the diameter into the second formula:

Example Question #160 : Geometry

What is the circumference of the circle provided? 


10

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for the circumference of a circle: 

 or 

The circle in this question provides us with the diameter, so we can plug the diameter into the second formula:

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