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Perimeter of a Triangle

Hariprasad's ...

Question

Hariprasad's triangular field has sides of $90 m, 80 m$ and $70 m$ . How much barbered wire will he need for fencing it?

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Solution

If we are to fence the triangular field then we are to fence then perimeter of the triangular park.
So wire needed is $= 90 + 80 + 70 = 240$ m.

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