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12 November, 11:26

The total surface are of a can is 296.73in ^2. if the radius of the can is 4.5 inches what is the height of the can

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  1. 12 November, 11:43
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    Surface Area of can (SA) = (2 · π · r²) + (2 · π · r · h)

    296.73 = [2 · π · (4.5) ²] + [2 · π · (4.5) · h]

    296.73 = 40.5π + 9π · h

    296.73 - 40.5π = 9π · h

    (296.73 - 40.5π) / 9π = h

    169.5/28.27 = h

    6 = h

    Answer: 6 inches
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