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- The relationship between the angles in a triangle.
- The relationship between the angles formed by a transversal crossing parallel lines.
- That we can use this knowledge to make artwork, build bridges, and even learn about marine life.
Two angles form a straight line together. One angle measures 64°. What is the measure of the other angle?
A triangle has two angles that measure 47° and 93°. What is the measure of the third angle?
A transversal crosses two parallel lines. One angle in the figure measures 50°. Nina is labeling the rest of the angles. She says that the angle opposite the 50° angle is 130°. Is she correct? Why or why not?
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