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lana_mk

  • one year ago

help with a problem dealing with area of squares....

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  1. lana_mk
    • one year ago
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  2. lana_mk
    • one year ago
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    Picture included please helpppppp!!!

  3. phi
    • one year ago
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    any idea how to find the area of the small white square ?

  4. lana_mk
    • one year ago
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    multiple two sides..

  5. phi
    • one year ago
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    what is the length of a side of the small white square ?

  6. phi
    • one year ago
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    they tell you in the picture. what does it say?

  7. lana_mk
    • one year ago
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    is it s?

  8. phi
    • one year ago
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    yes. the side is "s" long. but in algebra we can use letters. in a square all the sides are the same length, so they are all "s" now multiply length * height can you do that?

  9. lana_mk
    • one year ago
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    would it be s*p

  10. phi
    • one year ago
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    no. the area of a square is its width * height or side * side (because they are the same ) p has nothing to do with the small square. the small square has sides of length "s" what is its area?

  11. lana_mk
    • one year ago
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    \[s ^{2}\]

  12. phi
    • one year ago
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    yes, s*s or s^2 now, any idea what the area of the big square is ?

  13. phi
    • one year ago
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    what is the length of the side of the big square? they tell you in the picture.

  14. lana_mk
    • one year ago
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    p^2

  15. phi
    • one year ago
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    ok next, we notice that the "purple" part is not the whole big square notice the while square plus the purple part adds up to the big square.

  16. phi
    • one year ago
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    if we start with the area of the big square and subtract off the area of the white square, we will get what is leftover... the area of the purple part

  17. lana_mk
    • one year ago
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    so p^2-s^2= area of purple part?

  18. phi
    • one year ago
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    yes. does that make sense?

  19. lana_mk
    • one year ago
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    Yes thank you so much :)

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