anonymous
  • anonymous
find the missing part use a improper fraction for your answer please help https://media.glynlyon.com/g_geo_2013/5/01.gif
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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ganeshie8
  • ganeshie8
familiar wid \(30-60-90\) special triangle ?
anonymous
  • anonymous
yea a little bit
ganeshie8
  • ganeshie8
good :) then its going to be easy

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ganeshie8
  • ganeshie8
look at the big outer triangle
ganeshie8
  • ganeshie8
its 30-60-90, hypotenuse = 15
ganeshie8
  • ganeshie8
so the leg opposite to 30 degrees wud be 15/2
ganeshie8
  • ganeshie8
and the leg opposite to 60 wud be \(\large \frac{\sqrt{3}}{2} \times 15 \)
ganeshie8
  • ganeshie8
just figure out those two sides.
anonymous
  • anonymous
15sqrt3/2 right?
ganeshie8
  • ganeshie8
yes, wats that side ?
anonymous
  • anonymous
opposite to 60 so z right?
ganeshie8
  • ganeshie8
Perfect !
ganeshie8
  • ganeshie8
and x is 15/2 = 7.5
ganeshie8
  • ganeshie8
so we have now \(x\) and \(z\), what next ?
anonymous
  • anonymous
hmmm
ganeshie8
  • ganeshie8
can u find remaining missing parts ? :)
anonymous
  • anonymous
y a and b ?
ganeshie8
  • ganeshie8
yeah, try finding them
ganeshie8
  • ganeshie8
find y and a first
ganeshie8
  • ganeshie8
use the value of x=7.5 to find them
anonymous
  • anonymous
how >.<
ganeshie8
  • ganeshie8
30-60-90 triangle again
ganeshie8
  • ganeshie8
is time, use the small left side triangle
ganeshie8
  • ganeshie8
|dw:1378919739119:dw|
ganeshie8
  • ganeshie8
|dw:1378919828273:dw|
ganeshie8
  • ganeshie8
thats a 30-60-90 triangle, with hypotenuse = 7.5 you can find other two sides, y and a
anonymous
  • anonymous
>.<
anonymous
  • anonymous
im so confused >.<
ganeshie8
  • ganeshie8
|dw:1378920519230:dw|
ganeshie8
  • ganeshie8
First, convince urself that its a 30-60-90 triangle. the, try finding a & y :)
ganeshie8
  • ganeshie8
any progress ?
anonymous
  • anonymous
im so lost lol
ganeshie8
  • ganeshie8
only look at that small left triangle
ganeshie8
  • ganeshie8
it has hypotenuse = 7.5 so, the side opposite to 30 degrees = a = 7.5/2 side opposite to 60 degrees = y = \(\large \frac{\sqrt{3}}{2} \times 7.5\)
anonymous
  • anonymous
ohhhh so its always a two?
ganeshie8
  • ganeshie8
wat ? :)
anonymous
  • anonymous
its always a 2 and a sqrt(3)/2?
ganeshie8
  • ganeshie8
yes, 30-60-90 triangle. always divide by 2, and sqrt(3)/2
anonymous
  • anonymous
ohh
anonymous
  • anonymous
15sqrt(3)/4
anonymous
  • anonymous
3.75
ganeshie8
  • ganeshie8
yeah, u can find by subracting a from 15 (look at the drawing)
anonymous
  • anonymous
11.25
anonymous
  • anonymous
but what about the improper fraction?
anonymous
  • anonymous
can you help me on this one too im stuck i dont know the hypotenuse https://media.glynlyon.com/g_geo_2013/5/mis.gif
ganeshie8
  • ganeshie8
use pythagorean theorem
ganeshie8
  • ganeshie8
x^2 = 8^2+10^2
anonymous
  • anonymous
26896?
ganeshie8
  • ganeshie8
????????
anonymous
  • anonymous
i got 164^2 then i did that and its the number i got :O
ganeshie8
  • ganeshie8
x^2 = 8^2+10^2 x^2 = 64 +100 x^2 = 164 x = \(\sqrt{164}\)
anonymous
  • anonymous
2sqrt(41)?
ganeshie8
  • ganeshie8
Yes !
anonymous
  • anonymous
is that my hypotenuse?
anonymous
  • anonymous
x=2sqrt(41) right"?
ganeshie8
  • ganeshie8
right

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