anonymous
  • anonymous
pentagon ABCDE ~ pentagon FGHIJ. Use the figures below to answer the following questions @jim_thompson5910
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
jim_thompson5910
  • jim_thompson5910
you're missing the figures
jim_thompson5910
  • jim_thompson5910
or the following questions
anonymous
  • anonymous
sorry i keep getting distracted
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jim_thompson5910
  • jim_thompson5910
that's ok
jim_thompson5910
  • jim_thompson5910
AB corresponds to FG
jim_thompson5910
  • jim_thompson5910
So FG/AB = 6/8 = 0.75 is the number you multiply each side length in the larger pentagon to get the corresponding side length in the smaller pentagon
anonymous
  • anonymous
8?
jim_thompson5910
  • jim_thompson5910
8 times 0.75 = 6
jim_thompson5910
  • jim_thompson5910
oh wait, i read that wrong...one sec
jim_thompson5910
  • jim_thompson5910
oh for some reason, it still works out...lucky coincidence but yes, you multiply by 0.75
anonymous
  • anonymous
oh
jim_thompson5910
  • jim_thompson5910
to go backwards, you divide by 0.75
jim_thompson5910
  • jim_thompson5910
notice how FJ corresponds to AE
jim_thompson5910
  • jim_thompson5910
and FJ = 6 So AE = FJ/0.75 = 6/0.75 = 8 which means AE = 8
anonymous
  • anonymous
so then i had it right?
jim_thompson5910
  • jim_thompson5910
yes, sry i didn't see that til now
anonymous
  • anonymous
ok, cool and for #14 it would be 2.5?
anonymous
  • anonymous
no no no it would be 3
jim_thompson5910
  • jim_thompson5910
which side corresponds to IJ?
anonymous
  • anonymous
CD, so it would make it 3? correct?
jim_thompson5910
  • jim_thompson5910
this is why this problem is a bit confusing
jim_thompson5910
  • jim_thompson5910
the second pentagon should be rotated slightly clockwise so that FG matches up with AB
jim_thompson5910
  • jim_thompson5910
now tell me what ij corresponds to
anonymous
  • anonymous
8
jim_thompson5910
  • jim_thompson5910
did you do the rotation? this will make F the bottom most point
anonymous
  • anonymous
yea
jim_thompson5910
  • jim_thompson5910
so ij corresponds to ???
jim_thompson5910
  • jim_thompson5910
which side from ABCDE
anonymous
  • anonymous
de
jim_thompson5910
  • jim_thompson5910
good
jim_thompson5910
  • jim_thompson5910
now multiply that length by 0.75 to find ij
anonymous
  • anonymous
2.5
jim_thompson5910
  • jim_thompson5910
try it again 5 times 0.75 = ???
jim_thompson5910
  • jim_thompson5910
de = 5
anonymous
  • anonymous
3.75
jim_thompson5910
  • jim_thompson5910
good
anonymous
  • anonymous
fg would be 4?
jim_thompson5910
  • jim_thompson5910
fg corresponds to ???
anonymous
  • anonymous
ab?
jim_thompson5910
  • jim_thompson5910
good FG = 0.75 times AB
anonymous
  • anonymous
6
jim_thompson5910
  • jim_thompson5910
you nailed it
anonymous
  • anonymous
thanks, this will be the last one i promise
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jim_thompson5910
  • jim_thompson5910
The two triangles are similar So AD/ED = BD/CD 35/16 = 25/x Now solve for x
anonymous
  • anonymous
9.6?
jim_thompson5910
  • jim_thompson5910
no
jim_thompson5910
  • jim_thompson5910
35/16 = 25/x 35x = 16*25
anonymous
  • anonymous
7 6/7
jim_thompson5910
  • jim_thompson5910
no it's not any of those answer choices
jim_thompson5910
  • jim_thompson5910
x is the length of CD
jim_thompson5910
  • jim_thompson5910
which isn't listed
anonymous
  • anonymous
16*25=400
jim_thompson5910
  • jim_thompson5910
good
jim_thompson5910
  • jim_thompson5910
35x = 16*25 35x = 400
anonymous
  • anonymous
dfsdfdddddddd
anonymous
  • anonymous
sorry cat walked on the kep board... and i dont get wat i do next
anonymous
  • anonymous
key*
jim_thompson5910
  • jim_thompson5910
that's ok, divide both sides by 35
anonymous
  • anonymous
45 divided by 35, and what else by 35?
anonymous
  • anonymous
11.4
jim_thompson5910
  • jim_thompson5910
ok now subtract this from 25
anonymous
  • anonymous
13.6
jim_thompson5910
  • jim_thompson5910
which is closest to which answer choice?
anonymous
  • anonymous
13 4/7
anonymous
  • anonymous
13.6 is closest to 13 6/7
jim_thompson5910
  • jim_thompson5910
your first response is correct
jim_thompson5910
  • jim_thompson5910
13.6 is closest to 13 4/7
jim_thompson5910
  • jim_thompson5910
which is the answer
anonymous
  • anonymous
13 4/7
jim_thompson5910
  • jim_thompson5910
yes
anonymous
  • anonymous
thank you,... i was just wondering, but are u like a teacher or something?
jim_thompson5910
  • jim_thompson5910
i'm a student learning to become one
anonymous
  • anonymous
your are amazing
jim_thompson5910
  • jim_thompson5910
why thank you, i appreciate the compliment
anonymous
  • anonymous
your are verry verry welcome, you helped me out so much that i officaly have a B in geometry ( summerschool) i had failed it the first time idurring the year, i dont know what i would have done with out you...
jim_thompson5910
  • jim_thompson5910
i'm glad i could help you out, you're very smart and it sounds like you're starting to get the hang of this stuff, which is great
anonymous
  • anonymous
thank you :)
jim_thompson5910
  • jim_thompson5910
you're welcome

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