Mathematics

Question

i have to find the surface area of a cereal box. (ohs cereal)
Length- 9in
Height- 13in
Width- 3in

please tell me what my surface area is..QUICK! (will give brainliest)

1 Answer

  • Answer:

    366 square inches

    Step-by-step explanation:

    Surface Area Formula:

    A= 2( w*l + h*l + h*w)

    So you substitute the numbers:

    A= 2(3*9 + 13*9 + 13*3)

    A= 2( 27+ 117 + 39)

    A= 54+234+78

    A= 366 square inches

    There you go :)

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