Question

how many gardens ,each 40m long and 15 cm wide ,can be made out 6 hectares of land?​

Answer 1

Answer:

10000 gardens

Step-by-step explanation:

1 hectare = 10000 square metres

6 hectare = 60000 Square metres

15cm = 0.15 m.

Area of 1 garden = 6 Square metres

60000 ÷ 6 = 10000 gardens

Answer 2

Answer:

$Area of original garden =90×75=6750 m2</p><p></p><p></p><p>After path is added around rectangle, new length =90+2×5=100 m</p><p></p><p></p><p>New breadth =75+2×5=85 m</p><p></p><p></p><p>Area of rectangle with path =100×85=8500 m2</p><p></p><p></p><p>So,</p><p></p><p>Area of path = Area of rectangle with path − Area of rectangle without path</p><p></p><p></p><p>Area of path =8500−6750</p><p></p><p>                      =1750 m2</p><p></p><p></p><p>We know, </p><p></p><p>1 m2=0.0001 hectare</p><p></p><p></p><p>So,</p><p></p><p>6750 m2=6750×0.0001</p><p></p><p>                =0.675 hectare</p><p></p><p></p><p>Hence area of ground =6750 m2=0.675 hectares</p><p></p><p>$