Question

find the number of the diagonals if it has 10 sides​

Answer 1

Answer:

We know in any polygon the lines joining non-adjacent vertices are called diagonals. Hence, the required number of diagonals=Number of lines formed -Number of sides of the polygon =. 10C2-10=35. Using the formula, the number of diagonals in the above problem =10(10-3)2=35.

Step-by-step explanation:

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Answer 2

Answer:

We know in any polygon the lines joining non-adjacent vertices are called diagonals. Hence, the required number of diagonals=Number of lines formed -Number of sides of the polygon =. 10C2-10=35. Using the formula, the number of diagonals in the above problem =10(10-3)2=35.

Step-by-step explanation:

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