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Geometry: Measurements

Problems

Area of Circles

How to Cite This SparkNote

Problem : What is the area of a circle with diameter 8?

16(pi)

Problem : If a central angle is 120 degrees, and the radius is 3, what is the area of the sector defined by the intersection of the angle and the circle?

3(pi)

Problem : What is the area of the shaded region below?

7(pi)

Problem : If the radius of circle A is twice that of circle B, how many times greater is the area of circle A than circle B?

Area of circle A is 4 times greater than that of circle B

Problem : What is the area of the shaded region?

72 - 18(pi)

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