anonymous
  • anonymous
5. mR = 120° and mS = 100°. Find mT. The diagram is not drawn to scale. (1 point) 20° 100° 60° 40°
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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mathstudent55
  • mathstudent55
Is there a diagram?
anonymous
  • anonymous
yeah I was about to ask that
anonymous
  • anonymous
where is m?

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anonymous
  • anonymous
when I clicked on it, it said provide username and password, so i can't help with this i'm sorry
anonymous
  • anonymous
anonymous
  • anonymous
that doesn't have an m on it
anonymous
  • anonymous
yupp there is no M
anonymous
  • anonymous
i think its suppose to be the M(measure) of angle R and Measure of angle S
anonymous
  • anonymous
I was thinking that to.. hold on let me see if I can get this..
anonymous
  • anonymous
so T would be 120 too?
mathstudent55
  • mathstudent55
|dw:1359136422941:dw|
anonymous
  • anonymous
40
anonymous
  • anonymous
120 Is not a choice
mathstudent55
  • mathstudent55
Sorry, look at the new picture. Only angle U and S are congruent.
mathstudent55
  • mathstudent55
But you can find out what the sum of all the angles is.
anonymous
  • anonymous
100+100+120+t=360? 320+t=360 t=40
anonymous
  • anonymous
they all need to = 360 and u and s are conruent ao 100+100+120 =320 and 320+40=360
anonymous
  • anonymous
exactly what he did, ya'll was going to fast for me lol
anonymous
  • anonymous
i dont understand why only U and S are the only congruent ones though
anonymous
  • anonymous
why not the other two?
mathstudent55
  • mathstudent55
|dw:1359136520795:dw|
anonymous
  • anonymous
look at the pic. the sides of u and s are the same
mathstudent55
  • mathstudent55
|dw:1359136561728:dw| You are given just these sides congruent, right?
anonymous
  • anonymous
oh and angle T shares different sides from angle S
anonymous
  • anonymous
I meant R not S
anonymous
  • anonymous
yes.
mathstudent55
  • mathstudent55
Now draw a diagonal RS. |dw:1359136632967:dw|
anonymous
  • anonymous
Okay that makes more sense now then Thank you all!!!
mathstudent55
  • mathstudent55
|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.
mathstudent55
  • mathstudent55
|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.
Foxracer62
  • Foxracer62
the correct answer is 40 100%
mathstudent55
  • mathstudent55
Correct.

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