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katlin95

  • one year ago

please help guys! medal rewarded:) Two polygons are similar if: A. Corresponding sides are congruent and corresponding angles are proportional B. Corresponding angles are proportional and corresponding sides are proportional C. Corresponding angles are congruent and corresponding sides are congruent D. Corresponding angles are congruent and corresponding sides are proportional

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  1. ZakaullahUET
    • one year ago
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    Corresponding angles are congruent and corresponding sides are proportional

  2. katlin95
    • one year ago
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    so D right?:)

  3. whpalmer4
    • one year ago
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    Congruent means equal, right? Do you agree that for them to be similar, one must be a bigger or smaller version of the other, with the same angles?

  4. whpalmer4
    • one year ago
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    congruent angles, in other words

  5. ZakaullahUET
    • one year ago
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    congruent means equal but it has a little change meaning, if the figures are placed in same direct then equal if different direction then congrunet

  6. katlin95
    • one year ago
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    so do you all agree that its D?

  7. whpalmer4
    • one year ago
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    What do *you* think it is? You're the one who needs to know, we already do :-)

  8. whpalmer4
    • one year ago
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    Look at those answers, only one of them should make sense as a correct answer.

  9. katlin95
    • one year ago
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    I think its D as well!:)

  10. whpalmer4
    • one year ago
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    Excellent!

  11. whpalmer4
    • one year ago
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    You'll encounter many problems whose solution will require that you understand this, so it's good to look at it and make sure you do.

  12. katlin95
    • one year ago
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    yep, it takes time and practice..! lol

  13. whpalmer4
    • one year ago
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    One physical model would be if you could copy one of the figures to a sheet of transparent paper, then hold it up in front of the other one. If you can move the paper back and forth (with both sheets being completely parallel) and make the two images perfectly match each other, they are similar. That means the angles must be congruent, and the sides proportional.

  14. whpalmer4
    • one year ago
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    Of course the people who write the problems usually make you flip one of the items over in your head, and rotate it, and otherwise make life more difficult :-)

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