Area of a Circle for ninth grade: Calculate The Missing Side based on the formula

The area of a circle is equal to $4\pi$.

Calculate the radius of the circle.

2

The area of the circle below is equal to $16\pi$.

Calculate the radius of the circle.

4

The area of a circle is equal to $9\pi\text{.}$

Calculate the radius of the circle.

3

The area of a circle equals $25\pi\text{.}$

Calculate its radius.

5

The area of the circle equals $36\pi\text{.}$

Calculate the radius of the circle.

6

The area of the circle is $4\pi\text{.}$

Calculate the diameter of the circle.

4

The area of the circle equals $64\pi\text{.}$

Calculate the diameter of the circle.

16

The area of a circle equals $49\pi\text{.}$

Calculate the diameter of the circle.

14

The area of a circle is $25\pi\text{.}$

Calculate the diameter of the circle.

10

The area of the circle equals $9\pi\text{.}$

Calculate the diameter of the circle.

6

The area of the circle below is $9\pi$. Calculate its radius.

3

The area of a circle is equal to 89. Calculate its radius.

5.322

Calculate the radius of the circle below given that its area is equal to 32.

3.19

Given the area of the circle equal to 51, find the radius

4.03