Question

The length of a rectangle is three time it's breadth and it's area is 675m^2, what is its perimeter?

Answer 1

Step-by-step explanation:

L=3b

area= l×b

675= 3b×b

675/3= b^2

225= b^2

b = 15 cm

l=3(15)

l= 45 cm

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Answer 2

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Here's ur answer

Let the breadth be b

length be 3b (Length is three times breadth)

Area = lb = 675m²

b×3b = 675

3b² = 675

b² = 225

b = 15m

Length = 3b = 45m

Hence,

Perimeter = 2(l+b)

= 2(45+15)

= 2×60

= 120m

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