CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Congruence of Line Segments and Angles

How many diag...

Question

How many diagonals are there in a decagon?

Open in App

Solution

no of diagonals of 'n' sided Polygon is $^{n} C_{2} - n$
$\Rightarrow^{10} C_{2} - 10 = 35$

Suggest Corrections

thumbs-up

0

Similar questions

Q. How many diagonal are there in a octagon and decagon

How many diagonals does a decagon have?

Suppose we have

10 p o i n t s

in a plane forming a decagon.

How many diagonals are there is the decagon.

How many sides are there in do-decagon?

Q. How many diagonals can be drawn in a (i) decagon (ii) icosagon

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Matter Waves

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Congruence of Line Segments and Angles

Standard VII Mathematics

Join BYJU'S Learning Program

CrossIcon