Which of the following is the surface area in square centimeters of the cube shown who’s edge lengths are all 5 cm? 1) 25 2) 75 3) 125 4) 15

Question

Which of the following is the surface area in square centimeters of the cube shown who’s edge lengths are all 5 cm? 1) 25 2) 75 3) 125 4) 150

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Luna 1 month 2021-12-27T15:07:08+00:00 1 Answer 0 views 0

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    0
    2021-12-27T15:09:04+00:00

    The surface area of a cube is just the area of all six sides of the cube. Therefore, if we let s = the cube’s side,
    The surface area would be
    6

    s
    2
    because the area of one face is
    s
    2
    and there are six faces
    Given this, we know from the problem that
    s
    =
    5
    We can just plug in for s.
    SA =
    6

    5
    2
    SA =
    6

    25
    SA = 150

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45:7+7-4:2-5:5*4+35:2 =? ( )