a triangular field has 3 vertices A,B and C. the length of sides are 120m,80m and 50m. the farmer wants to fence his field all round leaving a space 3m wide for a gate on one side . the cost of fencing it with barbed wire is Rs 20 per meter
Answers
4940
Add all side
Substract 3 m
Multiply by 20
Given : A triangular field has 3 vertices A,B and C.
the length of sides are 120m, 80m and 50m
the farmer wants to fence his field all round leaving a space 3m wide for a gate on one side .
To Find : the cost of fencing it with barbed wire is Rs 20 per meter
Solution:
length of sides are 120m, 80m and 50m
=> Total Perimeter = 120 + 80 + 50 = 250 m
space 3m wide for a gate Left on one side .
Hence length of fencing = 250 - 247 m
Cost of Fencing per m = Rs 20
Cost of Fencing for 247 m = 247 * 20 = 4940 Rs
Hence cost of Fencing is Rs 4940
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