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Euclid has a triangle in mind. Its longest side has length 20 and another of its sides has length 10. Its area is 80. What is the exact)ength of its third side? |
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Answer» `sqrt260` LET attitude of `DELTA ADC` be h and third SIDE be x Then, AREA of triangle `=80=1/2xx10xxhrArrh=16` So, using Phythagorous theorem `AB=sqrt(400-256)=12` `rArr BC=2` `:. X=sqrt(4+256)=sqrt260` |
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