Question

The length and breadth of a rectangle are in the ratio 3:2.if its perimeter is 30 cm , find its dimensions

Answer 1

Let length be 3x and breadth be 2x.
Perimeter=2(L+b)
30=2(3x+2x)
15=5x
X=3

The length = 3x = 9cm
The breadth = 2x = 6cm.

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Answer 2

Answer:let the length of rectangle be x

So, length = 2x

And breadth = 3x

Then

Perimeter = 2(l+b)

30 = 2(2x+3x)

15 = 5x

X = 3

L = 2x = 2X3 = 6cm

B = 3x = 3X3 = 9cm

Step-by-step explanation: