joycej13
joycej13
05-01-2019
Mathematics
contestada
Please explain also
Respuesta :
pinecorn
pinecorn
05-01-2019
B + C + A = 180
57+51+A=180
108+A=180
A = 180-108
=72
ANGLE BAD = ANGLE DAC
ANGLE DAC = 1/2 OF BAC
= 36
IN TRIANGLE ADC
ADC + 36 +51 = 180
ADC+ 87 = 180
ADC = 93
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