a gardener has to put double fence all around a triangular path with sides 120 metre,80 metre,and 60 centi-metre.in the middle of each side their is a gate of width 10 metre. find the length of the wire needed for the fence.

Answer 1

I don't believe that one side is only 60cm.

Fix that, and just find twice the perimeter, then subtract twice the gate width.