Question

help please step by step answer ​

Answer 1

Answer:

it takes time

Step-by-step explanation:

The number of images of an object placed between two mirrors can be found from the following formula. When the angle between the mirrors is 90°, the number of images is (360/90°)-1 = 4-1 = 3. Similarly, when the angle is 60°, the number of images is (360/60°)-1=6-1 = 5.

Answer 2

first solve 3/20 × 2/3 It comes 1/10

after solve 3/20×1/3 it comes 1/20

after add 1/10 and 1/20

so the answer is 3/20