Question

The perimeter of a regular pentagon of side 5cm is ?

Answer 1

Answer :

• The perimeter of regular pentagon is 25cm

Given :

• side is 5cm

To find :

• Perimeter of a regular pentagon of side

Solution :

As we know that ,

• Pentagon has 5 sides

then ,

• Perimeter of pentagon is 5a

Given 5 sides then ,

a is 5 sides

• Perimeter of that pentagon = 5 × 5 = 25cm

Hence , The perimeter of regular pentagon is 25cm

More Explanation :

• pentagon is made up of 2 words which is Greek word which means penta means five and gonia means angles "five angles"
• A pentagon is a polygon with 5 angles and 5 sides
• The number of sides of a pentagon is 5
• in the pentagon, the sum of the interior angles is equal to 540⁰

Answer 2

☆Answer

• Perimeter of Regular Pentagon = 5a
• As pentagon have all 5 sides equal we have to multiply the side ×5.
• Here,
• Side = 5
• Perimeter = 5×5
• =25

Hence, The perimeter of a regular pentagon with 5 side will be 25cm.