Common Core: 7th Grade Math : Know and Use the Formulas for the Area and Circumference of a Circle: CCSS.Math.Content.7.G.B.4

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

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Example Questions

Example Question #14 : Area Of A Circle

What is the area of the circle provided? 


2

Possible Answers:

Correct answer:

Explanation:

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

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

Solve:

Example Question #15 : Area Of A Circle

What is the area of the circle provided? 


3

Possible Answers:

Correct answer:

Explanation:

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

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

Solve:

Example Question #16 : Area Of A Circle

What is the area of the circle provided? 

4

Possible Answers:

Correct answer:

Explanation:

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

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

Solve:

Example Question #21 : Know And Use The Formulas For The Area And Circumference Of A Circle: Ccss.Math.Content.7.G.B.4

What is the area of the circle provided? 


5

Possible Answers:

Correct answer:

Explanation:

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

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

Solve:

Example Question #11 : Area Of A Circle

What is the area of the circle provided? 


6

Possible Answers:

Correct answer:

Explanation:

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

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

Solve:

Example Question #22 : Know And Use The Formulas For The Area And Circumference Of A Circle: Ccss.Math.Content.7.G.B.4

What is the area of the circle provided? 


7

Possible Answers:

Correct answer:

Explanation:

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

The circle in this question provides us with the diameter, so we first have to solve for the radius. Remember, the radius is half the diameter:

Now that we have the radius we can use the formula to solve:

Solve:

Example Question #22 : Area Of A Circle

What is the area of the circle provided? 

8

Possible Answers:

Correct answer:

Explanation:

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

The circle in this question provides us with the diameter, so we first have to solve for the radius. Remember, the radius is half the diameter:

Now that we have the radius we can use the formula to solve:

Solve:

Example Question #23 : Area Of A Circle

What is the area of the circle provided? 


9

Possible Answers:

Correct answer:

Explanation:

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

The circle in this question provides us with the diameter, so we first have to solve for the radius. Remember, the radius is half the diameter:

Now that we have the radius we can use the formula to solve:

Solve:

Example Question #24 : Area Of A Circle

What is the area of the circle provided? 


10

Possible Answers:

Correct answer:

Explanation:

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

The circle in this question provides us with the diameter, so we first have to solve for the radius. Remember, the radius is half the diameter:

Now that we have the radius we can use the formula to solve:

Solve:

Example Question #131 : Geometry

What is the area of the circle provided? 


11

Possible Answers:

Correct answer:

Explanation:

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

The circle in this question provides us with the diameter, so we first have to solve for the radius. Remember, the radius is half the diameter:

Now that we have the radius we can use the formula to solve:

Solve:

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