anonymous
  • anonymous
∆ABC is similar to ∆PQR. AB¯¯¯¯¯ corresponds to PQ¯¯¯¯¯, and BC¯¯¯¯¯ corresponds to QR¯¯¯¯¯. If the length of AB¯¯¯¯¯ is 9 units, the length of BC¯¯¯¯¯ is 12 units, the length of CA¯¯¯¯¯ is 6 units, and the length of PQ¯¯¯¯¯ is 3 units, then the length of QR¯¯¯¯¯ is ______(fill in) units and the length of RP¯¯¯¯¯ is ________(fill in) units.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Baseballguy101
  • Baseballguy101
do you have a picture?
anonymous
  • anonymous
There is no picture... :(
Baseballguy101
  • Baseballguy101
ok first thing i would do is draw out your triangles and fill in the known lengths

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Baseballguy101
  • Baseballguy101
if you do that you will see that AB is 9 and PQ is 3 being similar triangles all the angles will work with that ratio. So doing 9/3 which ='s 3 you would divide the other angles by 3 so BC is 12 so divide that and you find QR
anonymous
  • anonymous
|dw:1434992376428:dw|I'm not sure where to go from this, lol.
Baseballguy101
  • Baseballguy101
do you need me to draw it out or did that make sense?
anonymous
  • anonymous
Wait, I do not understand?
Baseballguy101
  • Baseballguy101
ok ill draw it out one moment
anonymous
  • anonymous
Alright, thank you.
Baseballguy101
  • Baseballguy101
1 Attachment
anonymous
  • anonymous
So I just cut the proportions in half?
Baseballguy101
  • Baseballguy101
thirds, i set the problems up for you here does it make sense now?
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anonymous
  • anonymous
Yes, I will let you check my answers in a moment.
anonymous
  • anonymous
Yes?
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anonymous
  • anonymous
WOW. No the second one should be two, right? Wow me.
Baseballguy101
  • Baseballguy101
nope. Think of it like the last problem this is all just proportions. Think the triangle on the right is 1/3 the size of the other one and you just divide all the lengths on the left by 3 so QR = 4 and Rp = 2
Baseballguy101
  • Baseballguy101
wait yes to that lol
anonymous
  • anonymous
Welp, I feel dumb, lmao.
anonymous
  • anonymous
Sweet, I passed!
Baseballguy101
  • Baseballguy101
XD we all make those mistakes at one point or another
Baseballguy101
  • Baseballguy101
100%?
anonymous
  • anonymous
I blame me going to bed at 2 and waking up at 6. And no, I got 4/5 correct though. It was from a question I tried to do on my own, lol.
Baseballguy101
  • Baseballguy101
lol ok if you want to redo it at any time for a 100 ill help
anonymous
  • anonymous
If only I could lol. Auto submits, no retries unless I fail. :(
Baseballguy101
  • Baseballguy101
oh wow my class I can redo up to 3 times
anonymous
  • anonymous
Lucky. :(

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