Question

Rectangle perimeter is 80 cm. and length and width ratio is 3:5

Answer 1

Given
Perimeter of rectangle =80cm

Ratio of length and width=3:5

Let length =5x
Width=3x


Perimeter of rectangle =2(l+b)

80=2(5x+3x)

40=8x

X=40/8=5cm

Length =5x5=25cm

Width=3x5=15cm

(There is nothing given in question what to find)

Area =lxb

=25x15

=375cm²


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