Question

how many diagonals are there jn a regular pentagon explain with formula​

Answer 1

Step-by-step explanation:

formula = n(n-3)/2

here n=no of sides

now, no of diagonals =5(5-3)/2

=10/2

=5

hope it will helpfull

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Answer 2

HERE IS YOUR ANSWER MATE.....;

$= > diag</u></em></strong><strong><em><u>o</u></em></strong><strong><em><u>n</u></em></strong><strong><em><u>al \: = 5$

$= > formula = \frac{n(n - </u></em></strong><strong><em><u>3</u></em></strong><strong><em><u>)</u></em></strong><strong><em><u>}{2}$

HOPE IT'S HELPFUL...:-)