Mathematics
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OpenStudy (hahawowoh):
Will fan and medal!
In triangle GHI, HI = GH, m
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OpenStudy (anonymous):
hi
OpenStudy (lochana):
I don't really understand what you mean by m<IHG .
what is m?
OpenStudy (lochana):
IHG is an angle of IGH triangle. right?
OpenStudy (anonymous):
me either im 18
OpenStudy (anonymous):
2x-24
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OpenStudy (hahawowoh):
Yes they are angles with the m.
OpenStudy (hahawowoh):
Please help
OpenStudy (hahawowoh):
@lochana
OpenStudy (anonymous):
|dw:1447075631783:dw|
OpenStudy (hahawowoh):
Yes
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OpenStudy (anonymous):
it just one of the characteristic of triangle
OpenStudy (anonymous):
isosceles triangle if i right
OpenStudy (anonymous):
|dw:1447075875753:dw|
OpenStudy (lochana):
yes. but dont need that much information to find HIG angle.
HIG angle is naturally equal HGI angle since the triangle is isosceles.
OpenStudy (lochana):
so m<HIG = 2x -24
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OpenStudy (anonymous):
i can't find the right word, sorry
OpenStudy (lochana):
@ArifL right word?
OpenStudy (hahawowoh):
I just need help showing the work
OpenStudy (anonymous):
u see english is not my primary language
OpenStudy (hahawowoh):
please give me the work
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OpenStudy (lochana):
wait for sec
OpenStudy (hahawowoh):
okay
OpenStudy (lochana):
sorry. I had some issues
OpenStudy (anonymous):
Hi
OpenStudy (lochana):
@starpink69 Hello:)
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OpenStudy (lochana):
@Hahawowoh Did you see my it. Can you understand now?
OpenStudy (hahawowoh):
thank you so much! i get it but the answer key i have says that its 40?
OpenStudy (lochana):
got it.
So this means that you want to find x first and then solve for HIG angle
OpenStudy (lochana):
so GHI = 3x + 4
HGI = 2x - 24
GIH = 2x - 24
you may have heard that the sum of all angles of a triangle is equal to 180
OpenStudy (lochana):
now
3x + 4 + 2x - 24 + 2x - 24 =180
solving for x
x = 224/7 = 32
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OpenStudy (lochana):
now look at GIH. it is 2x -24
so plug 32 instead of x
m<GIH = 2*32 -24 = 64-24 = 40
OpenStudy (lochana):
got it?
OpenStudy (hahawowoh):
Yes, really thank you so much :)