1.

Your garden is in the shape of a square of side 5 m. Each side is to be fenced with 2 rows of wire. Find how much amount is needed to fence the garden at Rs 10 per meter.

Answer»

a = 5 m

Perimeter of the garden

= 4 a units

= 4 × 5 m

= 20 m

For 1 row

Amount needed to fence l m= Rs 10

Amount needed to fence 20 m

= Rs 10 × 20

= Rs 200

For 2 rows

Total amount needed = 2 × Rs 200

= Rs 400



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