Pre-Algebra

posted by Anonymous

Find the perimeter ( I am not sure of the step) Can someone help me PLease
If a rectangle whose dimensions ar e8 1/2 in.x 3 3/4 in.
am I to multiply because this is what i got 0.020564475m^2 please get me going in the right direction .
Thank you in advance for the help.

  1. Ms. Sue

    The perimeter is the distance around.
    The perimeter of a the rectangle is
    P = (2 * 8 1/2) + (2 * 3 3/4)

    What do you get?

  2. Anonymous

    P = (2 * 8 1/2) + (2 * 3 3/4)

    4P = 390

    P = 195
    2
    = 97.5
    Am I correct?Or what did I do wrong! Please explain.

  3. Ms. Sue

    How did you get this? 4P = 390

    P = (2 * 8 1/2) + (2 * 3 3/4)

    P = 17 + 7 1/2

    P = 24 1/2

  4. Anonymous

    confused b the way so you multiply both side number in ()then add to get the 24 1/2 if this is it thank you for helping me to understand the step .

  5. Ms. Sue

    You're welcome.

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