Question

A number when subtracted by 1/7 of itself gives the same value as tge sum of all tge angles of a triangle whta is the number?

Answer 1

Let the number be x. The number is subtracted from 1/7 of itself, i.e., x/7. We also know that sum of all angles of triangles is 180°.  

Therefore, x-x÷7=180 7x-x÷7=180 6x÷7=180 x÷7=30 x=210  

Therefore, the number is 210.

Answer 2

Heya mate,   Your solution is in the attachment .  #Kevin   Hope it helps you.