caldonia2018
29.01.2021 •
Mathematics
What is the equation of the line that is perpendicular to 6x +8y = 24 and passes through the point (-12, 8)?
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Ответ:
(3x + 9)° + (2x - 4)° = 180°
Combine like terms:
5x + 5 = 180
Subtract 5 from each side:
5x + 5 - 5 = 180 - 5
5x = 175
Divide both sides by 5:
5x/5 = 175/5
x = 35
This means that
We take these 3 angles away from 360 and we will have the measure of angle C:
360 - 114 - 66 - 73 = 107°