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To Tri or Not to Tri

Chuck Hamberg 

March 2000

Abstract:
Using paperstrips students determine whether three lengths will form a triangle; then form an angle with two lengths and by varying the angle between them determine all the possible lengths of the third side.

Keywords:
Grade 9
Grade 10
Grade 5
Grades 6-8
Constructions
Teacher
Lesson Plans
Manipulatives
Shapes