What this lesson teaches
Coordinate geometry distance and area.
Plot shapes on Cartesian plane and find distances!
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Coordinate geometry distance and area.
Plotting points and connecting them into shapes creates a direct sensory experience of the algebraic-geometric connection that is the foundation of all modern mathematics and computing. Students who discover that equations make shapes develop a more integrated understanding than those taught them as separate topics.
1. Plot A(0,0) B(4,0) C(2,3). 2. Calculate AB BC CA. 3. Find area. 4. Identify triangle type.