G.E.D. Math 25a, Triangles

An explanation of the sides and angles of triangles, tick marks used to show congruency, labeling the vertices and sides, how triangles are named, the sum of the interior angles, finding missing measures, equilateral triangles, Isosceles triangles, scalene triangles, right triangles, acute and obtuse.

Grade 6 Math #11.4, Triangles - find the missing measures

Grade 7 Math #8.2b, Unique Triangle, No triangle, or More than one triangle

Grade 8 Math, Chapter 11, Angle Relations Parallel line, Triangle

G.E.D. 24a, Kinds of Angles

G.E.D. Math 24b, Congruent and Vertical Angles

G.E.D. Math 24c, Lines and Angles

G.E.D. Math 24d, Using Logical Reasoning

.