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Please thanks! (1 point) A torus of radius 2 (and crosssectional radius 1) can be represented parametrically by the function r : D ) R3:

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(1 point) A torus of radius 2 (and crosssectional radius 1) can be represented parametrically by the function r : D ) R3: 119, gift) = ((2 + cos ( cos 9, [2 + 003 (in) Sin, sin M where D is the rectangle given by 0 5 t9 5 21r, 0 5 ti) 5 211'. The surface area of the torus is

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