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In the diagram, mcd=128º and mpA=76º. What is McABC?
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Oct 10, 2022
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In the diagram, mcd=128º and mpA=76º. What is McABC?
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StuartM
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Answer:
D. 102°
Explanation:
m∠ABC =
m∠ABD + m∠CBD = Angle addition postulate
1/2mCD + 1/2mAD = Angle measure is the half the intercepted arc
1/2(128) + 1/2(76°) =
102°
Ilya Shevyryaev
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Oct 15, 2022
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Ilya Shevyryaev
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