Question

Answer the following questions
1. The Perimeter of a square is 144 cm. Find its side.
2. The perimeter of a rectangle is 500 cm and its length is 150 cm. Find its breadth.
3. The Perimeter of a rectangle is 300 cm and its breadth is 20 cm. Find its length.

Answer 1

(1) 12cm

Step-by-step explanation:

(1)Perimeter of sq. =144cm

Formulae of perimeter of sq. =S×S

144=S×S

144=s²

√144=s

12=s

(2)Perimeter of rect. =500cm

Length=150cm

breadth=?

formule=2(l+b)

500=2(150+b)

500/2=150+b

250=150+b

250-150=b

100=b

(3)Perimeter of rect. =300cm

Breadth=20cm

length=?

formulae=2(l+b)

300=2(l+20)

300/2=l+20

150=l+20

150-20=l

130=l

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