Question

PLZZ HELPPPPPPPPPPPPPPPPPPP

Answer 1

For this case what you should do is use the equation shown.
 We have then:
 n * A = 360
 Where:
 A=Angle
 n: number of divisions.
 We observe that there are eight divisions. Thus:
 n = 8
 We then clear the angle between each division
 8 * A = 360
 A = 360/8
 A = 45 degrees
 Answer:
 The measure of the angle between the mirrors is:
 A = 45 degrees