Question

Find the cost of fencing a rectangular field of length 20m and width 15m at the rate of Rs 75 per meter.​

Answer 1

Length of rectangular park = 175 m

Breadth of rectangular park = 125 m

Perimeter of park = 2 x (length + breadth)

= 2 x (175 + 125)

= 2 x 300 = 600 m

Since, cost of fencing park per meter = = Rs. 12

Therefore, cost of fencing park of 600 m = 12 x 600 = Rs. 7,200

Answer 2

QuestioN :

Find the cost of fencing a rectangular field of length 20m and width 15m at the rate of Rs 75 per meter.

GiveN :

• Length of the rectangular field = 20 m
• Breadth of the rectangular field = 15 m
• Rate of fencing the field = Rs. 75

To FiNd :

The cost of fencing the field

ANswer :

$\sf The\: cost\: of \:fencing \:the\: field = Rs. \:22,500$

SolutioN :

$\sf Using\: formula,$

$\sf Area \:of\: rectangle = l \:x\: b$

$\sf Substituting\: the\: given\: values,$

$\sf Area = 20\:x\: 15$

$\sf Area = 300$

$\sf Area \:of \:the \:rectangular\: field = 300 m^2$

$\sf Cost\: of\: fencing\: the\: field = Area \:x\: Rate$

$\sf Cost = 300 \:x\: 75$

$\sf Cost = 22,500$

∴Hence, The cost of fencing the field = Rs. 22,500.

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