a) Two plane mirrors meet at and angle of 135°. If a light ray strikes one mirror at an angle of 35°, at what angle O does it leave the

other mirror? b) A person whose eyes are 1.7 m above the ground stands 2.3 m in front of a vertical plane mirror whose bottom edge is 0.38 m above the floor. What is the horizontal distance x from the base of the wall that is supporting the mirror of the nearest point on the floor that can be seen reflected in the mirror? Hint: It may help to draw a picture for this situation.