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Mrfootballman97

One angle of an isosceles trapezoid has measure 57. Find the measures of the other angles.

  • one year ago
  • one year ago

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  1. MathLegend
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    Is there a picture to go with this? @Mrfootballman97

    • one year ago
  2. MathLegend
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    Do you know if it is one of the base angles? Or is it the angle at the top of the triangle?

    • one year ago
  3. Mrfootballman97
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    Nope

    • one year ago
  4. MathLegend
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    Trapezoids sum.. I believe is 360

    • one year ago
  5. MathLegend
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    Interior angles sum is 360... right?

    • one year ago
  6. Mrfootballman97
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    ahhhhhh ok then. So could the angles be anything as long as they add up to be 360?

    • one year ago
  7. MathLegend
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    They can't be any number... we would have to know what Isosceles is.

    • one year ago
  8. MathLegend
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    |dw:1354423088562:dw|

    • one year ago
  9. MathLegend
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    Opposite angles are Supplementary

    • one year ago
  10. Mrfootballman97
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    one guy said this: Since it is an isosceles trapezoid, the base angles are the same. By property of // lines, you can find c and b. ^ (sum of interior angle of // lines = 180 degrees)

    • one year ago
  11. Mrfootballman97
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    Callisto was the person

    • one year ago
  12. MathLegend
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    He is correct

    • one year ago
  13. Mrfootballman97
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    Yup

    • one year ago
  14. MathLegend
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    Being that opposite angles are supplementary... we know that Supplementary is 180, right?

    • one year ago
  15. MathLegend
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    180 - 57 = 123

    • one year ago
  16. MathLegend
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    |dw:1354423249035:dw|

    • one year ago
  17. Mrfootballman97
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    so 123 is the top angles measure?

    • one year ago
  18. Mrfootballman97
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    Oh i see THANKS!

    • one year ago
  19. MathLegend
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    Yes, and if you notice they sum to 360 :)

    • one year ago
  20. Mrfootballman97
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    Yup! Thank You!

    • one year ago
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