Question

find the value of unknown angle when given that l || m and n transversal ​

Answer 1

Answer:

if an angle is 90 then all angles will be 90

Answer 2

Answer:

x=90, y=90

Step-by-step explanation:

x+90=180     [linear pair axiom]

      x=90

x+y=180         [alternate interior angles are supplementary]

90+y=180

      y=90

So the value of x and y are 90 degree and 90 degree respectively

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