In this lesson, Julie Harland teaches about the sum of angles in a triangle and provides word problems involving isosceles and right triangles. She explains that the angles in an isosceles triangle have the same measure, while in a right triangle, one angle is 90 degrees, making the other two angles complementary. Harland provides step-by-step instruction on how to solve word problems involving these types of triangles, including defining variables and writing equations to find the measure of each angle.
Sum of angles in a triangle, isosceles triangle, right triangle word problems involving angles in a triangle.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com