The degree measure of a semi-circle is 180^ - Vidyadip

Question

The degree measure of a semi-circle is $180^\circ $

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Answer

Given that the degree measure of a semi-circle is $180^\circ .$
As we know that the diameter ofa circle divides into two equal parts and each of these two arcs are known as semi-circle. $\widehat{\text{PQ}}$ and $\widehat{\text{QP}}$ are semi circle.
Hence, $\text{m}\big(\widehat{\text{PQ}}\big)=\text{m}\big(\widehat{\text{QP}}\big)=180^\circ$

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