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Angles Inscribed in a Semicircle

By: Jenna Guggennbiller and Olivia Kunkler

Step 1:

Construct a large circle. Construct a diameter AC. Inscribe 3 angles in the same semicircle. Make sure the sides of each angle pass through A and C.

Conjecture: Angles Inscribed in a semicircle are right angles

Explanation

Sample Problem:

Any point on a circle, in a semicircle, will be 90 degrees.

http://www.geom.uiuc.edu/~dwiggins/pict46.GIF

Step 2:

Measure each angle with your protractor. What do you notice? Compare Results.

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