Question

what is the length of outer boundary of the park show in right figure what will be the cost of fencing in at the rate of rs 20 per meater there is a regular flower bed in the centre of the park find the cost of manufacturing flower bed the rate of 50 per meater
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Answer 1

Answer:

Addition of all Sides of Given figure is called perimeter

∴ Perimeter of the given figure =(200+300+80+300+200+260)m=1340 m

∴ Total cost of fencing it at the rate of Rs.20 per meter

=Rs.(1340×20)=Rs.26800

∴ Area of the flower bed =(100×80)m

2

=8000 m

2

Now, cost of manuring the flower bed at the rate of Rs.50 per square meter =Rs.(50×8000)=Rs.400000.