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GeoGebraGeoGebra Classroom

Law of Cosines Exploration

You have been tasked to find out the length of side BC, given the length of AC and AB. You also have been given the measure of angle A, which is not a right angle. How do you think you should proceed? Write down your initial thoughts on your exploration guide. then continue.
(Be sure the black slider has been slid all the way to the right before answering these questions.)