Solve this:
Q. Anu wants to fence the garden in front of her house with three sides length 20 m, 12 m and 12 m. Find the cost of fencing at the rate of Rs. 15.50.
Kindly refer the similar link for your query.
https://www.meritnation.com/ask-answer/question/anu-wants-to-fence-a-rectangular-garden-in-front-of-her/perimeter-and-area/12417868
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https://www.meritnation.com/ask-answer/question/anu-wants-to-fence-a-rectangular-garden-in-front-of-her/perimeter-and-area/12417868
Regards