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In the diagram below, angle E = 50 degrees, and arc AB, arc BC, and arc CD all have equal length. Find the measure of angle ACD , in degrees.

 

 Dec 7, 2021
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Arc AB = arc BC = arc CD => x

 

1/2[x - (360 - 3x)] = 50

 

x = 115

 

Arc AD = 15º

 

If arc AD = 15 then angle ACD = 7.5 degrees

 Dec 7, 2021

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