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In figure, triangle QRS is an equilatera...

In figure, `triangle QRS` is an equilateral triangles. Prove that,
(1) `arc RS cong arc QS cong arc QR`
(2) `m(arc QRS)=240^(@)`.

Text Solution

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The correct Answer is:
(i)`therefore` arc RS`cong`QS`cong`arc QR (ii)`therefore` m(arc QRS)=`240^@`
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