Radius

Practice Questions

Basic Geometry › Radius

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1

Find the area of a circle that has a radius of $\sqrt{11}$ .

2

A square with a side length of 4 inches is inscribed in a circle, as shown below. What is the area of the unshaded region inside of the circle, in square inches?

Act_math_01

3

Circle_graph_area3

4

If the diameter of the circle below is , what is the area of the shaded region?

5

If the diameter of the circle below is , what is the area of the shaded region?

6

Find the area of a circle that has a radius of $\sqrt{11}$ .

7

Circle_graph_area3

8

A square with a side length of 4 inches is inscribed in a circle, as shown below. What is the area of the unshaded region inside of the circle, in square inches?

Act_math_01

9

Find the circumference of a circle inscribed in a square that has a diagonal of $64\sqrt2$ .

10

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

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