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Vocaloid (vocaloid):
still there?
OpenStudy (just_one_last_goodbye):
oh sorry that was 4 another question
OpenStudy (radar):
You could use the fact that the sum of the angles of a triangle equals 180 degrees. Angle B is quite easy to solve, in fact I thank you already know what angle B is.......
OpenStudy (just_one_last_goodbye):
So c?
OpenStudy (radar):
Note that angles B and C for a straight line and you have been given the value of angle C
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OpenStudy (just_one_last_goodbye):
@radar thanks i see it now ^_^ can you just give me steps to find the measure of angle 5 in this picture if 3 = 102
For the first problem that you have posted:
\[x ^{2}+70+17x=180\]\[x ^{2}+17x-110=0\]Now solve for x (I would use the factor method)
Then square x and you have your answer.
OpenStudy (just_one_last_goodbye):
Radar for the second one can you verify I think the measurement is 78
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OpenStudy (just_one_last_goodbye):
Since angle 3 is 102 so I subtracted 180 - 102 = 78