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Circle Problems (Challenges)

Last updated about 2 years ago

4 questions

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Question 1

1.

What is the area of the shaded region? Round to the nearest square inch.

The outer circle has a diameter of 12 in and the dot is at the center of the circle.

Question 2

2.

What is the area of the shaded region? Round to the nearest square inch.

Each circle has a 10 in diameter.

Question 3

3.

What is the area of the shaded region? Round to the nearest square inch.

The outer square has 12 inch sides and the half circles are all identical.

Question 4

4.

What is the area of the shaded region? Round to the nearest square inch.

The outer circle has a 20 inch diameter and the dots are at the centers of their respective circles.