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AngelDreamGurl

  • 2 years ago

PLEASE HELP

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  1. thelight
    • 2 years ago
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    what

  2. AngelDreamGurl
    • 2 years ago
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  3. precal
    • 2 years ago
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    is J 130? If so then 3 is 50 degrees

  4. precal
    • 2 years ago
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    |dw:1334883920170:dw|

  5. precal
    • 2 years ago
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    A line is 180 degrees

  6. inkyvoyd
    • 2 years ago
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    Ok. Let me help...

  7. inkyvoyd
    • 2 years ago
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    First we need to determine properties of the quadrilaterals.

  8. inkyvoyd
    • 2 years ago
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    *classify the quadrilaterals.

  9. inkyvoyd
    • 2 years ago
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    Can you tell me which are trapezoids and which are parallelograms?

  10. precal
    • 2 years ago
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    3 and 1 are verical angles and are the same

  11. AngelDreamGurl
    • 2 years ago
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    13 are trap 24 are para

  12. inkyvoyd
    • 2 years ago
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    Alright, good.

  13. inkyvoyd
    • 2 years ago
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    Now what do we know about 2 and 4 since they are parallelograms?

  14. inkyvoyd
    • 2 years ago
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    (Adjacent angles are supplementary, and opposite angles are congruent in a parallelogram)

  15. AngelDreamGurl
    • 2 years ago
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    so how do i figure out

  16. inkyvoyd
    • 2 years ago
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    Well, angles next to each other in a parallelogram add up to 180 degrees. Angles across from each other have the same measure.

  17. precal
    • 2 years ago
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    |dw:1334884743964:dw|

  18. precal
    • 2 years ago
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    1 and 2 are vertical angles 3 and 4 are vertical angles 1+4 1+3 3+2 4+2 all add up to 180

  19. precal
    • 2 years ago
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    |dw:1334884808383:dw| I just made up that example

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spraguer (Moderator)
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