SSC CPO 2022 PYQ — Question 136

SSC CPO - 11 Nov 2022 - Shift 1 • Quantitative Aptitude • Q136

If in △ABC, AB = AC and ∠ACD = 125°, then ∠BAC is:

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 70º

If in △ABC, AB = AC and ∠ACD = 125°

∠ACB = 180 - 125 = 55º

AB = AC

then ∠ABC = 55º

∠BAC = 180º - 2 × 55º

= 180º - 110º = 70º