Find the perimeter of a square each of whose sides measures:(i) 3.8 cm(ii) 4.6 cm(iii) 2 m 5 dm

Given :

The given sides of the square 3.8 cm, 4.6 cm, 2 m 5 dm.

To do :

We have to find the perimeter of a square.

Solution :

We know that,

For a square of side s,

• Area $= s^2$
• Perimeter $= 4s$

(i) 3.8 cm

Perimeter of a square whose side measures $3.8 cm = 4(3.8) cm = 15.2 cm$.

The perimeter of the square is 15.2 cm.

(ii) 4.6 m

Perimeter of a square whose side measures $4.6 m = 4(4.6) m = 18.4 m$.

The perimeter of the square is 18.4 cm.

(iii)$ 2 m 5 dm = 200 cm + 50 cm = 250 cm = 2.5 m$

Perimeter of a square whose side measures $2.5 m = 4(2.5) m = 10 m$.

The perimeter of the square is 10 cm.

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Updated on: 10-Oct-2022

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