Question

how many pins should be taken to trace the path of rays through prism?​

Answer 1

Explanation:

ANSWER :-

7 pins should be take to trace the path of rays through prism.

Answer 2

Explanation:

15x - 14y = 117

14x - 15y = 114

Linear equation

by elimination method

how many pins should be taken to trace the path of rays through prism?