Question

A farmer wants to fence his field of sides 25m × 12m leaving 4m wide gate. Find the length of the field to be fenced

Answer 1

Length to be fenced =(perimeter of field)-4
Perimeter =
$2(l + b)$
$= 2(25 + 12)$
$= 2 \times 37$
$= 74$
length to be fenced
$= 74 - 4$
$= 70 \: m$

Answer 2

Answer:

Step-by-step explanation: