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Math

1. Find the surface area of the rectangular prism. 3in, 2in,4in.
A. 60in.
B. 84in.
C. 26in.
D. 52in.
2. A cube has a side length of x feet. Which expression represents the surface are of the cube?
A. 4x square units
B. 24x square units
C. x to the second power square units
D. 6x to the second power square units
3. Find the surface area of the cylinder. Use 3.14 for pi. 2cm, 15cm
A. 100.48 cm
B. 97.43 cm
C. 36.28 cm
D. 33.14 cm
4. The bottom of a shopping bag measures 8 inches by 10 inches. The bag has a height of 12 inches. How much paper is needed to make the bag?
A. 256 in
B. 296 in
C. 512 in
D. 592 in

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Bree

  1. This is the answers
    1. 52 in
    2. 6x to the second power
    3. 100.48 cm
    4. 512 in

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    Bree

  2. a prism has 3 pairs of rectangular faces, so if its dimensions are x,y,z then its area is 2(xy + xz + yz)

    a cube is just a prism, where x,y,z are the same

    a cylinder is just like a prism, except round.
    Just as a prism's area is its base perimeter times its height, plus the two bases,
    a cylinder's area is 2πrh + 2πr^2

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    oobleck

  4. so bree is right?

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    e

  5. yuhhhh bree is right guys i swear to god bru if u think im lying then dont trust me but i got 4/4 trust me bro on god.

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    e

  6. Bree is correct I just took the test

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    Dakota

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