Question

Find the length of the rope needed to fence a rectangular field of length 15m and width 12m it is be fenced thrice

Answer 1

Answer:

$perimeter \: = 2(l + b) \\ = 2(15 + 12) \\ = 54m \\ so \: required \: length \: = 3 \times 54 \\ = 162m \: \: \: \: \: answer$

Answer 2

Answer:

162 m

Step-by-step explanation:

Length = 15 m

width = 12 m

perimeter = 2 ( length + width ) = 2 ( 15 + 12) = 54 m

Fenced thrice = 3 * 54 = 162 m