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Question
If two angles of a triangle are 2/3 radian and 1/7 radian. Find the 3 rd angle in degree
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Answer
The sum of all interior angles of a triangle is 180° i.e. Π radian.
So the third angle = Π-(sum of other two angles)
=(22/7)-((2/3)+(1/7))=(22/7)-(17/21)
=49/21=7/3 radian
