Question

3. Find the perimeter and area of a rectangle whose :
(i) length = 25 cm and breadth = 18 cm​

Answer 1

Answer:

Given length=25cm

breadth=18cm

Perimeter of rectangle=2(l+b)

=2(25+18)

=2(43)=86cm

please mark it as brainliest answer

Answer 2

Given:

A rectangle with

• Length = 25 cm
• Breadth = 18 cm

What To Find:

We have to perimeter and area of the rectangle.

How To Find:

To find the perimeter we will,

• Use the formula for it.

To find the area we will,

• Use the formula for it.

Formula For Finding:

→ Perimeter = 2(l + b)

→ Area = l × b

What The Values Stand For:

• l = length
• b = Breadth

Solution:

• Finding the perimeter.

Using the formula,

⇒ Perimeter = 2(l + b)

Substitute the values,

⇒ Perimeter = 2 (25 cm + 18 cm)

Solve the brackets,

⇒ Perimeter = 2 × 43 cm

Multiply 2 by 43,

⇒ Perimeter = 86 cm.

• Finding the area.

Using the formula,

⇒ Area = l × b

Substitute the values,

⇒ Area = 25 cm × 18 cm

Multiply 25 cm by 18 cm,

⇒ Area = 450 cm²

∴ Hence the perimeter and the area of the rectangle is 86 cm and 450 cm² respectively.