The areas of a rectangular park and equilateral triangular park are same and the value is 40cm². The length of the rectangular park is 12cm and the height of the equilateral triangular park is 8cm . Which park will cost more for fencing?
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Answer:
The dimension of the triangular park is 30m×26m×28m.
s=
2
a+b+c
=
2
30+26+28
=42m
The area of the triangular park is,
A=
s(s−a)(s−b)(s−c)
=
42(42−30)(42−26)(42−28)
=336m
2
Therefore, the amount paid to the gardener is,
336×1.50=Rs504
Step-by-step explanation:
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