Let S denotes sum of all interior a...
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Let S denotes sum of all interior angles of a convex pentagon and S, denotes sum of all exterior angles of a convex octagon, then -

JEE/Engineering Exams
Maths
Solution
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( S_{1}=(n-2) pi ) ( S_{1}=(5-2) pi=3 pi=540^{circ} ) ( S_{2}=2 pi )
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