Introductory Activity: Properties of Similar Triangles

Introductory Activity
Move point A, B or C to create any triangular shape, then answer the following questions.[br]
Properties of Similar Triangles
Question 1
Tell whether triangle DEF is a scaled copy of the original triangle ABC. If yes, what is the scale factor? [br][br][b][u]Reminder[/u]: To find the scale factor, you should divide each side of the scaled copy by its corresponding side of the original triangle.[/b]
Compare the angles of the triangles ABC and DEF.[br]
Question 2
The angles of triangles ABC and DEF are:
Question 2
The angles of triangles ABC and DEF are:
Question 4: Properties of Similar Triangles
3) What are the properties of two similar triangles? What can you say about:[br]a- The angles?[br]b- The sides?
Question 4: Properties of Similar Triangles
3) What are the properties of two similar triangles? What can you say about:[br]a- The angles?[br]b- The sides?
Question 4
3) What are the properties of similar triangles?[br]a- What can you say about the angles of two similar triangles?[br]b- What can you say about the sides of two similar triangles?
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