CHSL 21 25-05-2022 Shift 2


Question 1

RA and RB are two tangents from a common point ‘R’ outside the circle with centre ‘O’, having a radius of 6 cm. If ∠ARB = 70°, find the measure of the angle AOB.
RA और RB केंद्र 'O' वाले वृत्त, जिसकी त्रिज्या 6 cm है, के बाहर एक उभयनिष्ठ बिंदु 'R' से दो स्पर्श रेखाएँ हैं। यदि ∠ARB = 70° है, तो कोण AOB की माप ज्ञात कीजिए।

Options

A

130°

130°

B

 80°

 80°

C

120° 

120° 

D

110°

110°


Solution:

Correct Answer:

D

110°

110°


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