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High school geometry

Course: High school geometry > Unit 8

Lesson 6: Sectors

Area of a sector
Area of a sector

Area of a sector

CCSS.Math: HSG.C.B

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A sector with an area of start color #a75a05, 26, pi, start text, c, m, end text, squared, end color #a75a05 has a radius of start color #ca337c, 6, start text, c, m, end text, end color #ca337c.

What is the central angle measure of the sector in radians?

(Choice A)
start fraction, 13, pi, divided by, 9, end fraction
(Choice B)
start fraction, 9, pi, divided by, 13, end fraction
(Choice C)
start fraction, 13, pi, divided by, 18, end fraction
(Choice D)
start fraction, 18, pi, divided by, 13, end fraction

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High school geometry

Course: High school geometry > Unit 8

Problem