Home
Class 8
MATHS
ABCDE is a regular pentagon with sides o...

ABCDE is a regular pentagon with sides of length 6 cm. CD is also a side of a regular polygon with n sides. Given that `angle EDF = 90^(@)`, find n.

A

`18^(@)`

B

`10^(@)`

C

`20^(@)`

D

`12^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • POLYGONS AND QUADRILATERALS

    S CHAND IIT JEE FOUNDATION|Exercise QUESTION BANK - 23 |20 Videos

  • PERCENTAGE AND ITS APPLICATIONS

    S CHAND IIT JEE FOUNDATION|Exercise SELFT ASSESMENT SHEET (SECTION-C DISCOUNT )|10 Videos

  • PROBABILITY

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET -29 |10 Videos

Similar Questions

Explore conceptually related problems

Find the measure of each angle of a regular polygon of 20 sides?

A regular polygon of n sides has 170 diagonals.Then n=

If each interior angle is double of each exterior angle of a regular polygon with n sides, then the value of n is

ABCDE is a regular pentagon. The bisector of angle A meets the side CD at M. Find angle AMC

Which of the following is not true for an exterior angle of a regular polygon with n sides?

Find the number of sides of a regular polygon when each of its angle has a measure of 90^(@) .

What is the perimeter of a regular pentagon with a side of 3.5 cm ?