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Afina-wow [57]
2 years ago
12

Two parallel lines are cut by a transversal, as shown below.x + 403xWhat is the solution when solved for x, and why?=10, because

alternate interior angles are equal Therefore, c +40 = 3.= 20, because alternate interior angles are equal. Therefore 240 = 30x= 35, because alternate interior angles are supplemental. Therefore, t.40 3.0 = 180.I=80, because alternate interior angles are supplemental. Therefore, o+ 40 + 30 = 180.

Mathematics
1 answer:
Mice21 [21]2 years ago
8 0

we have:

x+40=3x

because they are alternate angles, i.e., they have equal measure, then solve for x:

\begin{gathered} x+40-x=3x-x \\ 40=2x \\ \frac{40}{2}=\frac{2x}{2} \\ x=20 \end{gathered}

therefore answer is the second one

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