Question

find the value of x and y in the followung figure​

Answer 1

Answer:

So in this Q

x=70+80

x=150

Then,y+x=180by angle sum property

So y+150=180

y=180-150

y=30

Step-by-step explanation:

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Answer 2

Answer:

70°+80°+y=180° (Sum of interior angles of ∆)

150°+y=180°

y=180°-150°

y=30°

Now,

x + y = 180° ( Linear pair angles)

x + 30° = 180°

x= 180°- 30°

x = 150°