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anonymous

  • one year ago

What is the perimeter of the figure to the nearest hundredth of a centimeter? A. 24.56 cm B. 18.28 cm C. 16 cm D. 14.28 cm

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  1. anonymous
    • one year ago
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    What is your understanding of this question?

  2. anonymous
    • one year ago
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    im not sure but i think the answer is c

  3. anonymous
    • one year ago
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    Okay.. let's see if you were correct as we go along. Now, this shape has two figures: 1. A semi circle 2. A square

  4. anonymous
    • one year ago
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    yeah okay

  5. anonymous
    • one year ago
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    You need to find the perimeter of each individual shape then add them together.

  6. anonymous
    • one year ago
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    What is the perimeter of the square?

  7. anonymous
    • one year ago
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    okay

  8. anonymous
    • one year ago
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    16?

  9. anonymous
    • one year ago
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    Correct! Now, we can immediately eliminate C and D because the perimeter of the total figure will be GREATER than 16 since we haven't figured out the perimeter of the circle yet.

  10. anonymous
    • one year ago
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    ohh okay

  11. anonymous
    • one year ago
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    Now, remember last thread when I helped you figure out the perimeter of the semicircle? Try figuring it out :)

  12. anonymous
    • one year ago
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    okay

  13. anonymous
    • one year ago
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    Remember: Circumference = 2πr or πd

  14. anonymous
    • one year ago
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    oka

  15. anonymous
    • one year ago
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    @Aureyliant Since it is a semi circle she could just use the equation πr. Am I correct?

  16. anonymous
    • one year ago
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    Yup! I was just about t mention that :) @taylorz115820

  17. anonymous
    • one year ago
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    b?

  18. anonymous
    • one year ago
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    Lol

  19. anonymous
    • one year ago
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    Tell me your explanation. What was the circumference you got for this SEMI CIRCLE?

  20. anonymous
    • one year ago
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    I need help!?!?!

  21. anonymous
    • one year ago
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    ?

  22. anonymous
    • one year ago
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    Why are you multiplying it by 4? You need to add the circumference of this semi circle to the perimeter of the square (16 cm)

  23. anonymous
    • one year ago
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    idk

  24. anonymous
    • one year ago
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    /

  25. anonymous
    • one year ago
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    Please don't spam @tray15

  26. anonymous
    • one year ago
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    |dw:1434472229049:dw|

  27. anonymous
    • one year ago
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    There you go basically all you need right there

  28. anonymous
    • one year ago
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    Good job @Aureyliant

  29. anonymous
    • one year ago
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    Something isn't right though. A normal circle's circumference is = 2πr or πd Even though this is a semi circle, the diameter will remain constant. Though the final answer is A.

  30. anonymous
    • one year ago
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    What you did was right a normal circle is 2πr so if you want half of that you simply don't "need" the 2 anymore

  31. anonymous
    • one year ago
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    |dw:1434547080894:dw|

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