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GeoGebra 课程

Possible Shortcut #3

作者:Sabrina Garcia, Caroline Psutka

Move the blue point to help you answer the questions below.

How many triangles can you make given those 2 side lengths and 1 angle?

选择所有适用项

A
I can only make 1 kind of triangle
B
I can make 2 different triangles
C
I can make MANY different triangles

检查答案 (3)

Answer the question below.

Based on your answer above, does this shortcut allow you to determine if 2 triangles are congruent?

选择所有适用项

A
YES! Since I could only make 1 triangle, the triangles HAVE to be congruent.
B
NO! Since I could make MORE than 1 kind of triangle, the 2 triangles are NOT guaranteed to be congruent.

检查答案 (3)

Now, complete the table on your notes.

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