SSC CGL 2020 PYQ — Question 51

SSC CGL - 4th March 2020 Shift 1 • Quantitative Aptitude • Q51

In ΔABC, ∠B = 68° and ∠C = 32°. Sides AB and AC are produced to points D and E, respectively. The bisectors of ∠DBC and ∠BCE meet at F. What is the measure of ∠BFC?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is Option 3 i.e 50°.

From the angle bisector property -

∠BFC = 90° - ∠A/2

In triangle ABC -

∠A + ∠B + ∠C = 180°

⇒ ∠A = 180° - 32° - 68°

⇒ ∠A = 80°

So,

∠BFC = 90° - 80°/2

⇒ ∠BFC = 90° - 40°

⇒ ∠BFC = 50°