Question

A rectangular playground which is $250m$ long and $20m$ broad is to be fenced with wire.How much wire needed?

• A. $270m$
• B. $230m$
• C. $540m$
• D. none

Answer 1

The correct option is C $540m$

Wire needed would be perimeter of the playground:

We know,

Perimeter of rectangle: $2(l+b)$

$=250+20+250+20=540m$