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Directions: Read the instructions for this self-checked activity. Type in your response to each question, and check your answers. At the end of the activity, write a brief evaluation of your work

Activity: You will use the GeoGebra geometry tool to explore how a line parallel to one side of a triangle divides the other two sides of the triangle. Go to
segments parallel to sides of a triangle e, and complete each step below. If you need help, follow these instructions for using GeoGebra.

Question 1: Check the box labeled Show Segment Parallel to BC. Notice that DE intersects two sides of AABC creating a smaller triangle. AADE. How is
AADE related to AABC? How do you know?

Directions: Read the instructions for this self-checked activity. Type in your response-example-1
User Koni
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1 Answer

4 votes

Angle D and angle B are congruent because they are corresponding angles. Angle E and C are also congruent because they are corresponding angles.

User Justin Kramer
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3.3k points