Two flat mirrors are connected to each other such that they make an angle of . A

Question

Two flat mirrors are connected to each other such that they make an angle of . A laser enters the system and first reflects off the bottom mirror, then the top mirror. When the beam exits it makes an angle of = 115 degrees with respect to the initial beam (see figure).

part A. Write an expression for the angle, , between the mirrors.

Part (b) Calculate this angle, , in degrees.

please show work. thank you

part A. Write an expression for the angle, , between the mirrors.

Part (b) Calculate this angle, , in degrees.

please show work. thank you

Explanation / Answer

a)

= /2

b) = 115/2 = 57.5 degrees

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