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In the given figure, ABC, BD = CD = AC, m∠ABC = 27°, m∠ACD = y. Find the value of y?

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In the given figure, ABC, BD = CD = AC, m∠ABC = 27°, m∠ACD = y. Find the value of y.
enter image description here

posted Feb 11, 2019 by anonymous

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1 Answer

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72 deg

y=180 - ADC*2 as ADC=CAD
ADC=180- BDC= 180- (180-2*27)=54 deg
y=180- 54*2=72 deg

answer Feb 12, 2019 by Hanifa Mammadov



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