Question

the sides of a rectangle are 6cm .
a)draw the rectangle.
b) draw another rectangle of the same perimeter with sides in the ratio 5:4​

Answer 1

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The sides of a rectangle are in the ratio of 4:5. If the perimeter of the rectangle is 90 cm. find its sides.

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Solution

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Sides of the rectangle are in the ratio of 4:5

Let the length l=5x

and the breadth b=4x

Now, perimeter =2(l+b)=90cm

2(5x+4x)=90

2(9x)=90

18x=90

x=5

Therefore, Length l=5x=25cm

and the breadth b=4x=20cm

solution