1 year ago

I need help pleaseee!!!

Mathematics

1 answer:

ZanzabumX [31]1 year ago

6 0

Answer: x = 57

Step-by-step explanation:

Since CD = AC, triangle ACD is isosceles, therefore

ADC = DAC

ADC + DAC + 112 = 180

ADC + DAC = 180 -112 = 68

ADC + DAC = 68/2 = 34

DEB = 180 - 34 - 23 = 123 (sum of interior angles of a triangle = 180)

Therefore, x = 180 - 123 = 57 (DEB and x are supplementary angles)

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