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AngelDreamGurl

PLEASE HELP

  • one year ago
  • one year ago

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  1. thelight
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    what

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

    • one year ago
  4. precal
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    |dw:1334883920170:dw|

    • one year ago
  5. precal
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    A line is 180 degrees

    • one year ago
  6. inkyvoyd
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    Ok. Let me help...

    • one year ago
  7. inkyvoyd
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    First we need to determine properties of the quadrilaterals.

    • one year ago
  8. inkyvoyd
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    *classify the quadrilaterals.

    • one year ago
  9. inkyvoyd
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    Can you tell me which are trapezoids and which are parallelograms?

    • one year ago
  10. precal
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    3 and 1 are verical angles and are the same

    • one year ago
  11. AngelDreamGurl
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    13 are trap 24 are para

    • one year ago
  12. inkyvoyd
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    Alright, good.

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

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

    • one year ago
  15. AngelDreamGurl
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    so how do i figure out

    • one year ago
  16. inkyvoyd
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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.

    • one year ago
  17. precal
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    |dw:1334884743964:dw|

    • one year ago
  18. precal
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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

    • one year ago
  19. precal
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    |dw:1334884808383:dw| I just made up that example

    • one year ago
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