find y pls tell fast
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Answer:
your answer is option(b) 72
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Answer:
72°
Step-by-step explanation:
B = DCB ( equal angles of isoceles ∆)
DCB =27°
B+DCB=ADC ( exterior angle property)
27°+27° =ADC
ADC =54°
ADC = DAC ( equal angles of isoceles ∆)
DAC =54°
ADC+DAC+ ACD =180° (angle sum property)
54+54+y = 180
y = 180-(54+54)=180-108
y = 72°
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