Question

what is the number of diagonals in a i) hexagon ii) polygon of 15 sides​

Answer 1

(hexagon)

9 diagonals

If all the sides of a hexagon are equal and angles are the same then the hexagon is called a regular hexagon. A regular hexagon has a total number of 9 diagonals. The sum of all interior angles of a regular hexagon is 720 degrees. Also, each interior angle is 120 degrees.

( pologen of 15 sides)

there are 90 diagonals in a 15 sided polygon.

Answer 2

Answer:

hexagon- 3

polygon of 15 sides- 15×6=90