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25-04-2019
Mathematics

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Find the measure of arc CD

Find the measure of arc CD class=

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choixongdong choixongdong

25-04-2019

Answer:

CD = 20°

Step-by-step explanation:

arc FA = arc CD because <ABF = <CBD (vertical angles)

Given <ABF = 20° so <ABF = <CBD = 20°

The central angle is also known as the arc's angular distance

so arc CD = <CBD = 20°

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