(10) भुजाओं वाले उत्तल बहुभुज में विकर्णों की संख्या कितनी है?
How many diagonals are there in a convex polygon with (10) sides?
Explanation opens after your attempt
B. (35)
Concept
Total ways to choose two vertices are \(^{10}C_{2}\). Subtract (10) sides to get (35) diagonals.
Why this answer is correct
The correct answer is B. (35). Total ways to choose two vertices are \(^{10}C_{2}\). Subtract (10) sides to get (35) diagonals.
Exam Tip
दो शीर्ष चुनने के कुल तरीके \(^{10}C_{2}\) हैं। भुजाएं (10) घटाने पर विकर्ण (35) मिलते हैं।
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