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Class 11MathematicsPermutations and CombinationsCombinationsExpert
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How many diagonals are there in a convex decagon?

Answer and explanation

Correct answer: (35)

The total segments are ( \binom{10}{2} ), and subtracting (10) sides gives (35). For polygons, first count all vertex pairs.

Related tags

Class11CombinationsPolygonDiagonalsExpertPermutations And CombinationsMathematicsClass 11 Mcq
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