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The Unit Circle Exercises

Example 1

A sector in a circle has an angle of 26 degrees. What is the sector's arc length if the radius of the circle is 5 ft?

Example 2

What is the arc length of a sector with an angle of π in a circle with a radius of 2 in?

Example 3

A circle with a diameter of 15 inches has a sector with an angle of 67 degrees. What is the sector's area?

Example 4

What is the area of a sector with an angle of in a circle with a radius of 12 mm?

Example 5

What is the area of a sector with an angle of in a circle with a diameter of 16 ft?