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colisv Group Title

5. mR = 120° and mS = 100°. Find mT. The diagram is not drawn to scale. (1 point) 20° 100° 60° 40°

  • one year ago
  • one year ago

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  1. mathstudent55 Group Title
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    Is there a diagram?

    • one year ago
  2. BrittanyFrench Group Title
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    yeah I was about to ask that

    • one year ago
  3. JaneDoe100 Group Title
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    where is m?

    • one year ago
  4. BrittanyFrench Group Title
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    when I clicked on it, it said provide username and password, so i can't help with this i'm sorry

    • one year ago
  5. colisv Group Title
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    • one year ago
  6. JaneDoe100 Group Title
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    that doesn't have an m on it

    • one year ago
  7. BrittanyFrench Group Title
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    yupp there is no M

    • one year ago
  8. colisv Group Title
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    i think its suppose to be the M(measure) of angle R and Measure of angle S

    • one year ago
  9. BrittanyFrench Group Title
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    I was thinking that to.. hold on let me see if I can get this..

    • one year ago
  10. colisv Group Title
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    so T would be 120 too?

    • one year ago
  11. mathstudent55 Group Title
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    |dw:1359136422941:dw|

    • one year ago
  12. JaneDoe100 Group Title
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    40

    • one year ago
  13. BrittanyFrench Group Title
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    120 Is not a choice

    • one year ago
  14. mathstudent55 Group Title
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    Sorry, look at the new picture. Only angle U and S are congruent.

    • one year ago
  15. mathstudent55 Group Title
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    But you can find out what the sum of all the angles is.

    • one year ago
  16. colisv Group Title
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    100+100+120+t=360? 320+t=360 t=40

    • one year ago
  17. JaneDoe100 Group Title
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    they all need to = 360 and u and s are conruent ao 100+100+120 =320 and 320+40=360

    • one year ago
  18. BrittanyFrench Group Title
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    exactly what he did, ya'll was going to fast for me lol

    • one year ago
  19. colisv Group Title
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    i dont understand why only U and S are the only congruent ones though

    • one year ago
  20. colisv Group Title
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    why not the other two?

    • one year ago
  21. mathstudent55 Group Title
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    |dw:1359136520795:dw|

    • one year ago
  22. JaneDoe100 Group Title
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    look at the pic. the sides of u and s are the same

    • one year ago
  23. mathstudent55 Group Title
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    |dw:1359136561728:dw| You are given just these sides congruent, right?

    • one year ago
  24. colisv Group Title
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    oh and angle T shares different sides from angle S

    • one year ago
  25. colisv Group Title
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    I meant R not S

    • one year ago
  26. JaneDoe100 Group Title
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    yes.

    • one year ago
  27. mathstudent55 Group Title
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    Now draw a diagonal RS. |dw:1359136632967:dw|

    • one year ago
  28. colisv Group Title
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    Okay that makes more sense now then Thank you all!!!

    • one year ago
  29. mathstudent55 Group Title
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    |dw:1359136676205:dw| Diagonal RS is congruent to itself. So triangle RUT and triangle RST are congruent, and by corresponding parts, angle U and S are congruent.

    • one year ago
  30. mathstudent55 Group Title
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    |dw:1359136772891:dw| If you draw diagonal US, even though US is congruent to itself, there are no triangles that you can prove congruent. So you don't know anything about angles R and T being congruent.

    • one year ago
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