Question

find the unknown x and y​

Answer 1

Answer:

As BCD is straight line

x= 180° - 75°

x= 105°

In triangle ABC

by Angle sum property:

40° + 75° + y = 180°

y = 180° - 115°

y = 65°

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Answer 2

Step-by-step explanation:

Y=40+75+y=180(angle sum property)

y= 115+y=180

    y=65 degree

X=the sum of angle abc and angle cba

= 40 +65

105 degree

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