Question

In the rectangle of perimeter of a square of 1m,one side is 5cm longer than the other .what are the lengths of the sides?

Answer 1

Answer:

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Step-by-step explanation:

One side of rectangle is 22.5 cm

Other side = 27.5 cm

Let x cm be the one side of the rectangle .

Property of rectangle : opposite side of rectangle are equal .

Since we are given that other side 5 cm longer than the other

⇒ other side = x+5

We are given the perimeter = 1 m

Since 1m = 100 cm

Thus perimeter of rectangle = 100cm

Formula of perimeter of rectangle = 2(length+breadth)

⇒100 cm = 2(x+x+5)

⇒100 cm = 2(2x+5)

⇒100 cm = 4x+10

⇒100 -10 = 4x

⇒90 =4x

⇒

⇒

Thus one side of rectangle is 22.5 cm

Other side = x+5 = 22.5 +5 =27.5 cm

Answer 2

Answer:p= 1m = 100cm

P 2(l+w)

100cm= 2(x+x+5cm)

100cm= 4x+10cm

100cm-10cm =4x

90cm/4= 4x/4

X=22.5cm

Since 1 side longer than other 5cm add value of x 5

22.5cm+5cm= 27.5cm

X1=22.5cm

X2=27.5cm

Step-by-step explanation: