Question

From the given figure, find x and y if ∠ = 100°, ∠ = 120° ​

Answer 1

Answer:

angle ADE+ADC=180 LINEAR PAIR

ANGLE ADC=180-120=60

y+60=100 (EXTERIOR ANGLE PROPERTY)

y=40

x+y+60=180

x+40+60=180

x=180-100=80

Answer 2

Answer:

x = 180-100 = 80 (linear pair)

y = 120 -80 = 40

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