Question

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Hi Mates

plz solve in the given question attached ​

Answer 1

Explanation:

According to the theory, angle of incidence must be equal to the angle of reflection.

Then angle X= angle y

Answer 2

Answer:

<i =<r=90°

angle of incidence =angle of reflection

so,

x+i= r+y

i=90

so,

x+90=90+y

x=y

hence proved