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21 October, 20:08

A cylindrical trash can is 30 inches high and has a base radius of 7 inches. What is the outside surface area of this trash can, including the top of the lid?

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  1. 21 October, 21:17
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    The answer to your question is: A = 1627.35 in²

    Step-by-step explanation:

    Data

    height = 30 in

    radius = 7 in

    A = ?

    Lateral area

    A = 2πrh

    A = 2 (3.1416) (7) (30) = 1319.47 in²

    Area of the base and lid

    A = 2 x πr² = 2 (3.1416) (7) ²

    = 307.88 in²

    At = 1319.47 in² + 307.88 in² = 1627.35 in²
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