What must the angle of incidence be

Reference no: EM13267044

A square room has 3 mirrored walls of length L with one side missing. A laser is fired from the center of the open side of the room with an angle of incidence, I, toward the wall on the right. If the reflected beam is to hit a target on the back wall 0.80 of L from the right wall, what must the angle of incidence be?

Reference no: EM13267044

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