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Mrfootballman97

  • 2 years ago

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

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  1. MathLegend
    • 2 years ago
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    Is there a picture to go with this? @Mrfootballman97

  2. MathLegend
    • 2 years ago
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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?

  3. Mrfootballman97
    • 2 years ago
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    Nope

  4. MathLegend
    • 2 years ago
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    Trapezoids sum.. I believe is 360

  5. MathLegend
    • 2 years ago
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    Interior angles sum is 360... right?

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

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

  8. MathLegend
    • 2 years ago
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    |dw:1354423088562:dw|

  9. MathLegend
    • 2 years ago
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    Opposite angles are Supplementary

  10. Mrfootballman97
    • 2 years ago
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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)

  11. Mrfootballman97
    • 2 years ago
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    Callisto was the person

  12. MathLegend
    • 2 years ago
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    He is correct

  13. Mrfootballman97
    • 2 years ago
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    Yup

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

  15. MathLegend
    • 2 years ago
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    180 - 57 = 123

  16. MathLegend
    • 2 years ago
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    |dw:1354423249035:dw|

  17. Mrfootballman97
    • 2 years ago
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    so 123 is the top angles measure?

  18. Mrfootballman97
    • 2 years ago
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    Oh i see THANKS!

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

  20. Mrfootballman97
    • 2 years ago
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    Yup! Thank You!

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