anonymous
  • anonymous
I am Stuck. Help. MEDAL!!! What is the length of stack H D with bar on top when BH = 20 in., BC = 12 in., and DC = 14 in.? Round your answer to the nearest tenth of an inch. in.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Image
anonymous
  • anonymous
anyone
anonymous
  • anonymous
@IrishBoy123

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anonymous
  • anonymous
@Loser66 can you help me.
xapproachesinfinity
  • xapproachesinfinity
just the use of Pythatgorean theorem couple of times
Loser66
  • Loser66
@xapproachesinfinity is a perfect guy for this
anonymous
  • anonymous
ok
xapproachesinfinity
  • xapproachesinfinity
ok let come from a clearer picture! you recognize HDC is right triangle yes
anonymous
  • anonymous
yes
xapproachesinfinity
  • xapproachesinfinity
we are given DC but we need HC to do the so called Pythagoras yes
anonymous
  • anonymous
yes
xapproachesinfinity
  • xapproachesinfinity
now what we do is look at the triangle HCB it is also a right triangle and we are given BC and BH so we can find HC
anonymous
  • anonymous
ok how?
xapproachesinfinity
  • xapproachesinfinity
so then we have the following:\ HC^2+BC^2=BH^2 HC^2=BH^2-BC^2 HC^2=20^2-12^2
xapproachesinfinity
  • xapproachesinfinity
now tell me what is after you take the square root
xapproachesinfinity
  • xapproachesinfinity
you have a calculator with right
xapproachesinfinity
  • xapproachesinfinity
i got HC=16
anonymous
  • anonymous
me too
xapproachesinfinity
  • xapproachesinfinity
now we go back to our first triangle HDC now we have HC=16 and DC=14 we use again that same theorem to find HD HD^2+DC^2=HC^2 HD^2=HC^2-DC^2 HD^2=16^2-14^2
xapproachesinfinity
  • xapproachesinfinity
let see what you got
anonymous
  • anonymous
60?
xapproachesinfinity
  • xapproachesinfinity
sqrt of 60 not just 60 because i told you to take square root after that too
xapproachesinfinity
  • xapproachesinfinity
so then HD=7.75 inch
anonymous
  • anonymous
is that the answer?
xapproachesinfinity
  • xapproachesinfinity
if we wanted the decimal, well in a way we want the decimal since we measuring length
xapproachesinfinity
  • xapproachesinfinity
yes
anonymous
  • anonymous
can you help me with three more?
xapproachesinfinity
  • xapproachesinfinity
let see post in a different section though
anonymous
  • anonymous
ok I will tag you.
xapproachesinfinity
  • xapproachesinfinity
ok

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