Question

the number of diagonal a quadrilateral has is _______​

Answer 1

Answer:

Quadrilaterals have two diagonals.

According to the formula, no. of diagonals =

n ( n-3) /2

4 ( 4- 3 ) /2

So we have multiplied 4 sides ( 4 vertex -3 ) / 2

4 (1) /2

4 / 2

= 2 Diagonals.

hope it helps you.