GEOMETRYLesson 28 of 85
ANGLES OF A TRIANGLE
Vocabulary and Triangle Sum Theorem
Students learn the definition of a triangle, as well as the following triangle classifications: scalene, isosceles, equilateral, acute, obtuse, right, and equiangular. Students also learn the triangle sum theorem, which states that the sum of the measures of the angles of a triangle more...
Elementary / Middle
High School Math
*Also referred to as Elementary Algebra or Beginning Algebra.
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