SSC CGL 11 Aug 2017 Shift 1 Paper

Question : 65 of 100

Marks: +1, -0

The internal bisectors of ∠Q and ∠R of triangle PQR meet at O. If ∠P = 70°, then what is the measure of ∠QOR (in degrees)?

Solution:

∠QPR = 70°

∵

∠ \QOR = 90°+\∠\QPR/2

⇒

∠\QOR =90° +70°/2=90°+3 5°

∴ ZQOR = 125°

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