Question

the length and breadth of rectangle are 12 cm and 9 CM respectively find the side of the square with perimeter equal to that of the rectangle​

Answer 1

perimeter of rectangle = 2× (l+b)

= 2× (12+9)

=2×21

=42.

side of the square = 4 a

42 = 4 a

therefore ,

a = 42÷ 4

Answer 2

Given:

• The length and breadth of rectangle are 12 cm and 9 CM respectively

To find:

• find the side of the square with perimeter equal to that of the rectangle?

Solution:

• Let's consider ABCD is a rectangle.

Where,

• Length = 12cm
• Breadth = 9cm

• Lets consider length be l.

⠀⠀━━━━━━━━━━━━━━━━━━━⠀

« Now, Let's find perimeter,

→ Perimeter = 2( l + b)

→ 2( 12 + 9 )

→ 2(21)

→ 42cm

⠀⠀━━━━━━━━━━━━━━━━━━━⠀

Now, Finding side of the square,

→ Square = Perimeter/4

→ 42/4

→ 10.5cm

∴ Hence, Perimeter of the rectangle is 42cm & side of the square is 10.5cm.