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anonymous

  • one year ago

Ms. Thomas is making a badge for her son in the shape of a square. The sides of the badge measure 3 inches each. Ms. Thomas wants to put a stripe across the badge from one vertex to the other vertex. What is the approximate length of the stripe? A. 3.5 inches B. 4.2 inches C. 4.9 inches D. 6.0 inches http://static.k12.com/calms_media/media/1422500_1423000/1422755/1/162780a56917075b14305a853794f7f7e67bb0db/MS_PA_131002_171204.jpg

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  1. Ehsan18
    • one year ago
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    the formula for diagnol of a square is x(2)^1/2 Where x is the side

  2. anonymous
    • one year ago
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    ?

  3. Ehsan18
    • one year ago
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    no!

  4. Ehsan18
    • one year ago
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    \[\sqrt{2} \times x\]

  5. anonymous
    • one year ago
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    multiply the length of the side by \(\sqrt 2\)

  6. anonymous
    • one year ago
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    so multiply 3 by 1.4?

  7. Ehsan18
    • one year ago
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    yup

  8. anonymous
    • one year ago
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    |dw:1434421555070:dw| \[a^2+a^2=h^2\\ 2a^2=h^2\\ \sqrt 2\times a=h\]

  9. anonymous
    • one year ago
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    3x1.4=4.2

  10. anonymous
    • one year ago
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    9+9=18

  11. anonymous
    • one year ago
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    wat

  12. anonymous
    • one year ago
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    OOOOOH IT'S 4.2

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