Question

What is the perimeter of?
a pentagon with each side 2cm?
and
A rectangle with length 5em and breadth 4 cm?​

Answer 1

Answer:

Perimeter of Pentagon= 5×side

= 5×2= 10cm

Perimeter of rectangle= 2(l+b)

= 2(5+4)

= 2×9= 18cm

Answer 2

Step-by-step explanation:

1. What is the perimeter of a pentagon with each side 2cm?

Solution:

Given:

Each side of a pentagon is 2cm.

To find:

Perimeter of the pentagon.

Formula:

P=5a

∵ (since) The total sides of a pentagon is 5.

Sol:

P = 5a (side is denoted as a)

P = 5(2)

P = 10

Therefore the perimeter of the pentagon is 10cm.

________________________________

2.Find the perimeter of a rectangle with length 5cm & breath 4 cm?

Solution:

Given:

Length = 5cm

Breadth = 4cm

To find:

Perimeter of the rectangle.

Formula:

P = 2(l+b)

Sol:

(length is denoted as l & breath as b)

P = 2(l+b)

P = 2(5+4)

P = 18

Therefore the perimeter of the rectangle is 18cm.