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

Practice Questions

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

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1

If a circle has an area of $16\pi ; in^{2}$ , what is the circumference?

2

If a circle has an area of $16\pi ; in^{2}$ , what is the circumference?

3

If a circle has an area of $81\pi$ , what is the circumference of the circle?

4

If a circle has an area of $81\pi$ , what is the circumference of the circle?

5

The radius of a circle is 4 cm, what is the area?

6

The radius of a circle is 4 cm, what is the area?

7

The radius of a circle is $\frac{2}{\sqrt{\pi }}$ . Give the area of the circle.

8

What is the circumference of a circle with a radius of $5.2\textup{ in}$ ?

(Round your answer to the nearest tenth.)

9

The radius of a circle is $\frac{2}{\sqrt{\pi }}$ . Give the area of the circle.

10

What is the circumference of a circle with a radius of $5.2\textup{ in}$ ?

(Round your answer to the nearest tenth.)

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