Question

the ratio of a rectangle whose perimeter is 400 cm and the ratio in length and breadth is 3:1 is​

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

Step-by-step explanation:

Let the ratio be 3x and x

Perimeter=2(l+b)

400=2(3x+x)

400=8x

400/8=x

50=x

Then,

3x=3×50=150

x=50

Area of rectangle=l×b

=150×50

=7500

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