Question

The sides of a rectangle are in the ratio 4:5 and its perimeter is 90 cm. Find the dimensions of the rectangle and hence its area.​

Answer 1

Answer:

500 cm^2

Step-by-step explanation:

Lenght=4x Breadth=5x

=Perimeter=2(l+b)

=2(4x+5x)=90

=18x=90

=x=5

Lenght=20. Breadth=25

=Area=l*b

=20*25

=500 cm^2

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