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Mathematics 17 Online
OpenStudy (princeevee):

b0rf

OpenStudy (princeevee):

@563blackghost

OpenStudy (princeevee):

OpenStudy (princeevee):

@563blackghost @3mar

OpenStudy (3mar):

Are you persuaded of the last one?

OpenStudy (princeevee):

a bit yeah

563blackghost (563blackghost):

Use the question we helped with last time. If you look at the two we proved `Angle 3 and 6` are congruent based off the `Alternate Exterior Angles Theorem` which closely relates to your problem. So... \(\huge\bf{2x+50=5x+20}\)

OpenStudy (princeevee):

x=10

563blackghost (563blackghost):

Nice :)

OpenStudy (3mar):

my mother is calling me! I will be back within 15 min In Sha' Allah SALAM!

OpenStudy (princeevee):

563blackghost (563blackghost):

The two angles lie on the same line but are on opposite sides of parallel transversals. Due to this they would have a sum of 180. \(\huge\bf{(4x+20)+(x+10)=180}\)

OpenStudy (princeevee):

i would guess x is 35?

563blackghost (563blackghost):

Not quite. Combine like terms. \(\huge\bf{5x+30=180}\) Subtract 30 from each side. \(\huge\bf{5x=150}\) Divide by 5. \(\huge\bf{\frac{5x}{5}=\frac{150}{5}}\)

OpenStudy (princeevee):

30

563blackghost (563blackghost):

Nice :)

OpenStudy (3mar):

"The two angles lie on the same line but are on opposite sides of parallel transversals" This is what is called: \(\LARGE \color{Crimson }{Consecutive ~~Exterior ~~Angles.}\) We were searching for this types of angles at the previous problem! - angles 3 and 8 - angles 1 and 6

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