Question

In the figure, LABC is inscribed
O
in arc ABC and intercepts arc APC
ifm(arc APC)=60°
A
Find the measure of LABC & LAOC.
P​

Answer 1

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In a circle angle subtended by any chord on opposite sides are supplementary.

So m(arcAPC)+m(arcABC)=180⁰

So m(arcABC)=180⁰ −60⁰

=120⁰

Step-by-step explanation:

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