[PPSC SCIENTIFIC ASSISTANT (POLYGRAPH)]

18. If the sides of an equilateral triangle are shortened by 12 cms, 13 cms and 14 cms respectively, a right-angle triangle is formed. Find the length of the side of the equilateral triangle.

1. 18 cms

2. 15 cms

3. 17 cms

4. 19 cms

Correct Answer :

17 cms