Radius
Practice Questions
ACT Math › Radius
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1
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?
2
Find the circumference of a circle with radius 6.
3
Find the area of a circle given a radius of 1.
4
A circle has an area of 
5
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?
6
7
8
Find the area of a circle given a radius of 1.
9
A circle has an area of
10
Find the circumference of a circle with radius 6.
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