Study guides

☆☆

Q: How many diagonals are there in an 20-sided figure have?

Write your answer...

Submit

Still have questions?

Related questions

Diagonals connect corners of a figure. If you try to connect two corners of a three sided figure, the lines you draw will exactly mimic the sides of the figure. Because of this, a three sided figure has no diagonals.

0.5*(162-48) = 104 diagonals

0.5*(252-75) = 275 diagonals

A 4 sided quadrilateral has 2 diagonals.

9

7

54

90

1/2*(152-45) = 90 diagonals

There are 27 diagonals

A pentagon is a 5 sided figure.

If the diagonals are cong. then the figure is a rectangle.

People also asked

Featured Questions