RRB NTPC · Question 40
If the ratio of the angles of a triangle is 3 : 5 : 7, find the value of the largest angle. A. 36° B. 60° C. 84° D. 15°
Show answer & explanation
Answer: (C) C
Explanation
3 + 5 + 7 = 15 parts = 180°, so 1 part = 12°. The largest angle = 7 × 12° = 84°.