The final stretch of Volume 1 focuses on the most stable shape in engineering: the triangle. You will explore:
By their sides (scalene, isosceles, equilateral) and their angles. CK-12 Basic Geometry, Volume 1 of 2
The focus then shifts to . You will learn to measure them using degrees and classify them as acute, right, obtuse, or straight. This section also introduces angle pairs , such as: Complementary: Angles that add up to 90°. Supplementary: Angles that add up to 180°. The final stretch of Volume 1 focuses on