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[" 2.Let "S" be the set of all triangles...

[" 2.Let "S" be the set of all triangles in the "xy" -plane,each "],[" having one vertex at the origin and the other two "],[" vertices lie on coordinate axes with integral "],[" coordinates.If each triangle in "S" has area "50" sq.units,"],[" then the number of elements in the set "S" is "],[qquad [" (a) "36," (b) "32],[" (c) "18," (d) "9]]

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