In this lesson on angle relationships, you'll learn about the different types of angles (acute, obtuse, right, complementary, supplementary, straight) and the definitions of rays, lines, and vertices. You'll also discover how to identify and measure these angles, including how complementary angles add up to 90 degrees and supplementary angles add up to 180 degrees. With clear explanations and helpful visuals, this lesson is perfect for anyone looking to improve their understanding of basic geometry concepts.
A discussion of different types of angle (acute, obtuse, right, complementary, supplementary, straight). Also, a discussion of what a ray, angle, and vertex are.