Bed Circles: Tutorial
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Question 1
1. Create a triangle ABC of your choice. Using GeoGebra tools, construct the angle bisectors of A and B. Mark the intersection point of the
angle bisectors, and label it point D.
2. Create a line through point D perpendicular to AC.
3. Find the intersection of line segment AC and the perpendicular line, and label it point E. With point D as the center, create a circle passing
through point E.
4. Measure and label the radius of the inscribed circle of ABC on the diagram.
5. Take a screenshot of your result, and paste it below.
B
1
U
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DE
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