anonymous
  • anonymous
Given figure PQRS ~ figure TUVW, what is the value of b? [ ]yd
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
http://static.k12.com/calms_media/media/1572000_1572500/1572064/1/5d68363e0a57b2744821077a6e6b8353b32df463/MS_IMC-141210-110203.jpg
anonymous
  • anonymous
@amistre64
amistre64
  • amistre64
are the shapes similar?

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anonymous
  • anonymous
Yes
amistre64
  • amistre64
then what do we know about similar shapes and their properties?
anonymous
  • anonymous
They are congruent?
amistre64
  • amistre64
congruent means equal ... these are not equal
amistre64
  • amistre64
the solution lies with something called a scale factor ...
anonymous
  • anonymous
ok
amistre64
  • amistre64
what is the scale factor
anonymous
  • anonymous
2.6
amistre64
  • amistre64
i dont get 2.6, how are you trying to work it?
anonymous
  • anonymous
I did 3.9-1.3
amistre64
  • amistre64
im not sure why you would do that ... a scale factor is multiplication ... not addition
amistre64
  • amistre64
we have 2 sides that we can compare: 3.9 and 1.3 we scale 3.9 to get to 1.3 3.9k = 1.3 and we scale 9.6 to get to b 9.6k = b
anonymous
  • anonymous
3.2 I did 3.9 1.3 and got 3.... so I did 3.2 divided by 3
amistre64
  • amistre64
3 is the scale factor from right to left :) but its workable all the same in my setup; k = 1/3 9.6/3 = b = 3.2
anonymous
  • anonymous
so B=3.2
amistre64
  • amistre64
correct
anonymous
  • anonymous
Thank you

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