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Three horses are tethered with 7 metre l...

Three horses are tethered with 7 metre long ropes at the corners of a triangular field having sides 20m, 34m and 42m. Find the area of the plot which can be grazed by the horses. Also, find the area of the plot which remains ungrazed.

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The correct Answer is:
`77 m^(2)`
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