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7. (a)
The sides of a triangular field are in the ratio 3:4:6. It requires
260 m wire to fence its compound 5 rounds. Calculate the length
of each side of the triangle.
((b) The sides of a rectangular pond are in the ratio 4:3. If it requires
126 m wire to fence 3 rounds in its boundary. Calculate the length
and breadth of the pond.
SCHOOL MATHEMATICS BOOK-7
120



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