Question

the area of rectangular field is 4500 m2 find its parimeter,if it is known that its length is five times the breadth. ​

Answer 1

Answer:360 m

Step-by-step explanation:

Let the breadth be x m.

And length be 5x m.

Area =l*b

4500=x*5x

4500=5x^2

900=x^2

x=√900

x=30 m

Length=150 m

Breadth= 30 m

Perimeter=2(l+b)

=2(150+30)

=2*180

=360 m

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Answer 2

Answer:

Step-by-step explanation:

I hope this helps you:

The area of a rectangle is : Length times Breath (l×b) that is,4500m, given....

We know that the length is 5 times its breath....so let breath be x.

Hence, length will be 5x.

Lets put this to the equational form:                      

⇒ L × B = 4500

⇒5x × x =4500

⇒5x² = 4500

⇒ x² = 4500/5=900      

⇒ x = √4500      Note: I transferred the power of 2 from x to the rhs, in the form of cube.

⇒ x = 67.08

Hence, length= 67.08 × 5= 33.4

Perimeter of rectangle is 2( L+ B)

So, perimeter is equal to 2(67.08 + 33.4) = 200.96.......

That's it....!!