IM 8.1.14 Practice: Alternate Interior Angles
Use the diagram to find the measure of each angle.
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Lines k and l are parallel, and the measure of angle ABC is 19 degrees.
Explain why the measure of angle is 19 degrees. If you get stuck, consider using the applet to translate line by moving to .
What is the measure of angle ? Explain.
The diagram shows three lines with some marked angle measures. Find the missing angle measures marked with question marks.
Lines s and t are parallel. Find the value of x.
The two figures are scaled copies of each other.
The two figures are scaled copies of each other.
What is the scale factor that takes Figure 1 to Figure 2?
What is the scale factor that takes Figure 2 to Figure 1?