Multiple choice

A rectangular field with length 70 m is to be fenced on three sides leaving a length of 10 m for entering in the field. If the area of the field is 3150 sq. m, how many metres of fencing will be required?

  1. 210 m

  2. 220 m

  3. 200 m

  4. 215 m

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is given that length = 70 m. Then, breadth = area/length Breadth = 3150/70 = 45 m Now, perimeter of the rectangle = 2(70 + 45) = 230 m So, the quantity of fencing that will be required = 230 - 10 = 220 m.

Keep practicing — related questions