Question

The length and breadth of a rectangle are 40 cm
and 10 cm respectively. Its perimeter is​

Answer 1

Perimeter of rectangle is the sum of all its sides.

Therefore, Length + breadth + length + breadth = Perimeter.

40+10+40+10 = 100 cm.

The perimeter is 100cm.

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Answer 2

The perimeter of the rectangle = 100 cm

Given :

The length and breadth of a rectangle are 40 cm

and 10 cm respectively

To find :

The perimeter of the rectangle

Formula :

Perimeter of the rectangle

= 2 × (Length + Breadth)

Solution :

Step 1 of 2 :

Write down length and breadth of the rectangular field

Length of the rectangular field = 40 cm

Breadth of the rectangular field = 10 cm

Step 2 of 2 :

Calculate perimeter of the rectangle

Perimeter of the rectangle

= 2 × (Length + Breadth)

= 2 × (40 + 10) cm

= 2 × 50 cm

= 100 cm

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