In this introductory lesson on angles, Julie Harland defines important terms such as full revolution, degree, right angle, straight angle, acute angle, and obtuse angle. She also explains the concepts of complementary and supplementary angles and provides examples of how to solve problems involving them. This lesson is perfect for those new to angles or looking for a refresher on the basics. Students will also have the opportunity to try solving four problems on their own.
Part 1 is an introduction to Angles defining full revolution, degree, right angle, straight angle, acute angle, obtuse angle, complementary angle, supplementary angle, and work 4 problems.
What is the difference between complementary and supplementary angles?
What is a degree?
What is the difference between a right angle, a straight angle, an acute angle, and an obtuse angle?
What are some examples of complementary angles and supplementary angles?
What is the complement of a 15 degree angle?
What is the supplement of a 15 degree angle?
What is the complement of a 71 degree angle?
What is the supplement of a 120 degree angle?
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This lesson starts by defining terms and getting you familiar with some vocabulary and different types of angles. Then, there are 4 problems in which you must find the supplement or complement of an angle.