Question

Sunita arranges two mirrors with a right angle orientation as shown. She then direct a laser line at one of the mirror the light reflects off both the mirror as shown if angle A is 38 degree then what is the angle measurement of angles b c d and e


Please solve it.....​

Answer 1

Angle B = angle A

Angle B = 38 degree

(Angle of incident= angle of reflection)

Now,

<B + <C + 90 = 180

Angle sum prop of triangle

38 + <C = 90

<C = 90 - 38

<C = 52 degree

Now,

<D + angle of second reflection = 90

<D + 52 = 90

<D = 90 -52

<D = 38 degree

(Angle of second reflection= angle of second incident ray = 52 degree)

Answer 2

Answer:

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Answer in picture above