4.7 - Copy - 4-7 Vertical Angles A) How many angles are...

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4-7 Vertical Angles A) How many angles are formed when two lines intersect? B) Vertical Angles a. Two angles are vertical angles if their sides form two pairs of opposite rays b. Quick Activity) i. With another person take out a piece of paper and draw the intersection of two lines ii. Number the angles iii. Fold 2 and 3 on top of each other, what do you notice?
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C) Theorem 4-8 (Vertical Angle Theorem) a. Vertical angles are congruent b. Prove this: D) Theorem 4-9 a. If two lines are perpendicular, they form four
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This note was uploaded on 05/16/2011 for the course ALGEBRA 098 taught by Professor Johnson during the Spring '09 term at Grand Valley State.

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4.7 - Copy - 4-7 Vertical Angles A) How many angles are...

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