Q. 113.7( 3 Votes )

In the given figure, AOC is a diameter of a circle with centre O and arc arc BYC. Find BOC.


Answer :

Given: arc


Here,


2×AXB = BYC


AOB = BOC


AOB = BOC –1


Here,


AOC = AOB + BOC = 180°


BOC + BOC = 180° (from –1)


BOC = 180°


BOC = ×180° = 120°



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