A triangular park ABC has sides 100 m, 60 m and 30 m. A gardener ‘Dhania’ has to
put a fence all around it and also plant a grass inside. How much area does she need to
plant ? Find the cost of fencing it with barbed wire at the rate of Rs. 30 per metre leaving a
space 2m wide for a gate on one side.
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Answer:
5640 m
Step-by-step explanation:
perimeter of triangle park
= 100+60+30
= 190 m
cost of fencing park with barbed tat the rate of Rs 30 per metre leaving a space 2m wide for a gate on one side
= (190-2)×30
= 5640 m
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