Arc Measure, Arc Length, and Sector Area HW
Name
Calculate the Arc Measure of each MINOR ARC.
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3.
Calculate the Arc Length of each MINOR ARC. Formula: __________________
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Calculate the Sector Area for the shaded region. Formula: ___________________
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Answer each of the following questions based on the information given.
10. The central angle of a sector is
60 and the area of the circle is 144π . What is the area of the sector?
11. The central angle of a sector is
72 and the sector has an area of 5π . Find the radius.
Arc Measure, Arc Length, and Sector Area HW
Name
12. The central angle in a circle is 65° and a radius of 12. Find the arc length.
13. The area of a sector is 3𝜋 and the circle has a radius of 6. Find the measure of the central angle.
Challenge J
14. You stop for lunch at a local pizza shop where each pizza is cut into 8 slices. Would your hunger be
better satisfied with one slice from a 16-inch pizza or two slices from a 12-inch pizza?
Hint: Think about how many degrees are in a circle and how knowing there are 8 slices helps you!!