Area and Perimeter Practice Test 2

Question : 30 of 40

Marks: +1, -0

The area of a rectangle is 460

m^2

. If the length is 15% more than the breadth, find the breadth of the rectangular field:

Solution:

Let breadth of the rectangle be x m then length =

{115}/{100} x

= 1.5 x m
Now, 1.15x × x = 460
⇒

x^2

{460}/{115}

⇒

x^2

= 400
⇒ x = 20 m

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