Basic Geometry : How to find circumference

Study concepts, example questions & explanations for Basic Geometry

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Example Questions

Example Question #211 : Circles

Find the circumference of a circle with a radius of .

Possible Answers:

Correct answer:

Explanation:

Recall the formula for finding the circumference of a circle:

We can substitute in the value for the radius in order to find the circumference of the circle in question.

Solve.

Simplify.

Example Question #212 : Circles

Find the circumference of a circle with a radius of .

Possible Answers:

Correct answer:

Explanation:

Recall the formula for finding the circumference of a circle:

We can substitute in the value for the radius in order to find the circumference of the circle in question.

Solve.

Simplify.

Example Question #213 : Circles

Find the circumference of a circle with a radius of 

Possible Answers:

Correct answer:

Explanation:

Recall the formula for finding the circumference of a circle:

We can substitute in the value for the radius in order to find the circumference of the circle in question.

Solve.

Simplify.

Example Question #214 : Circles

Find the circumference of a circle with a radius of .

Possible Answers:

Correct answer:

Explanation:

Recall the formula for finding the circumference of a circle:

We can substitute in the value for the radius in order to find the circumference of the circle in question.

Solve.

Simplify.

Example Question #215 : Circles

Find the circumference of a circle with a radius of .

Possible Answers:

Correct answer:

Explanation:

Recall the formula for finding the circumference of a circle:

We can substitute in the value for the radius in order to find the circumference of the circle in question.

Solve.

Simplify.

Example Question #216 : Circles

What is the circumference of a circle whose radius is .

Possible Answers:

Correct answer:

Explanation:

To find circumference, you must use the follow equation.

Example Question #217 : Circles

Find the circumference of a circle that is inscribed in a square with side lengths of .

Possible Answers:

Correct answer:

Explanation:

13

Notice that when a circle is inscribed in a square, the side length of the square is also the diameter of the circle.

Recall how to find the circumference of a circle:

Plug in the given diameter to find the circumference.

Example Question #218 : Circles

Find the circumference of a circle that is inscribed in a square that has side lengths of .

Possible Answers:

Correct answer:

Explanation:

13

Notice that when a circle is inscribed in a square, the side length of the square is also the diameter of the circle.

Recall how to find the circumference of a circle:

Plug in the given diameter to find the circumference.

Example Question #219 : Circles

Find the circumference of a circle that is inscribed in a square that has side lengths of .

Possible Answers:

Correct answer:

Explanation:

13

Notice that when a circle is inscribed in a square, the side length of the square is also the diameter of the circle.

Recall how to find the circumference of a circle:

Plug in the given diameter to find the circumference.

Example Question #21 : How To Find Circumference

Find the circumference of a circle that is inscribed in a square that has side lengths of .

Possible Answers:

Correct answer:

Explanation:

13

Notice that when a circle is inscribed in a square, the side length of the square is also the diameter of the circle.

Recall how to find the circumference of a circle:

Plug in the given diameter to find the circumference.

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