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angles

by marmar29 » Fri Aug 26, 2011 9:21 am
if angle <1 & <2 = 180
<1 =X , < 2 = 6X - 290
< 1 =..........
a- 55
b- 56
c- 57
d- 58
e -59
when i calculate it none of the above was right
i juist wanna double check wuth u friends
thanks
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by VivianKerr » Fri Aug 26, 2011 11:47 am
<1 + <2 = 180

<1 = X

<2 = 6X - 290

X + 6X - 290 = 180
7X - 290 = 180
7X = 470
X = 67.14

Maybe there's an typo?
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