Question

P કેિլԍત વતુӪળમાં ચાપ AB એ લઘુચાપ છે. R એ ગુԀચાપ પરનું A અને B િસવાયનું િબંદુ છે. જો ∠APB=
150 હોય, તો ∠ARB = ______

Answer 1

 Given : AB is a minor arc in a circle with centre P,  

R  is the point on the major arc  

∠APB = 150°

To Find : ∠ARB

Solution:

AB is a minor arc in a circle with center P,  

∠APB = 150°

and R  is the point on the major arc  

Hence ∠APB = 2 ∠ARB

=>  150° = 2 ∠ARB

=>  ∠ARB  = 75°

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