Ms. Razor's Math Page
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Ms. Razor's Math Page

Unit 4:  Triangles

Mrs. Razor's Videos and Pictures
Lesson 4.4:  Proving Triangles are Congruent
Lesson 4.3:  Exploring Congruent Triangles
Lesson 4.2:  Isosceles & Equilateral Triangles
Lesson 4.1:  Triangle Names & Measures
Other Videos & Links
Lesson 4.2:  Isosceles & Equilateral Triangles
Congruent legs and base angles of isosceles triangles: Showing that congruent legs imply equal base angles and vice versa
Equilateral triangle sides and angles congruent: Showing that all of the angles of an equilateral triangle are 60 degrees
Equilateral and isosceles example problems: Three example problems involving isosceles and equilateral triangles. 2 from Art of Problem Solving (by Richard Ruscyk) book
Another isosceles example problem: Possible angles for an isosceles triangle
Lesson 4 .1:  Triangle Names & Measures
Triangle Angle Example 1: Figuring out angles in a triangle. A little about exterior angles being the sum of the remote interior angles
Triangle Angle Example 2: Another example finding angles in triangles
Click to set Triangle Angle Example 3: Multiple ways to solve for the angles of multiple triangles
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