Name 4 sets of supplementary angles in Part 1.
What is the sum of the measures of supplementary angles? Why?
Name 2 sets of vertical angles in Part 1.
In Part 2,
Yes because translations do not change the length of a line.
Is
Yes because translations do not change the measure of an angle.
Is
Yes because the image is congruent to the pre-image after a translation.
In Part 3,
Similar.
Why is
It is a true equation because corresponding angles are congruent in similar figures.
What action do you need to make to create the equivalent equation
Subtract
What is another action you can take to combine the terms with variable
Subtract
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