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Finding Unknown Angles with Algebra
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This video introduces the idea of finding unknown or missing angles when the angles are represented with algebraic expressions.
The general strategy is to use the relationships of the angles and whether they are vertical angles, complementary angles, supplementary angles, etc., and set up an equation to solve for the missing variable.
Khan Academy exercise to practice:
The general strategy is to use the relationships of the angles and whether they are vertical angles, complementary angles, supplementary angles, etc., and set up an equation to solve for the missing variable.
Khan Academy exercise to practice:
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