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Lighthouse
Author:
R. Shawver
,
Sham
Here is a classic question, given the height of a lighthouse (PQ) , the bearings of two ships and the respective angle of depression, can you find the distance between the two ships (ST)?
GeoGebra
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alg2_05_05_04_applet_exp_fxn_flvs
Parallelograms: Quick Investigation
Variation Theory Parallelogram Proofs
Icosahedron
Tutorial: Zip command
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slope intercept form
Proof Exercise: Inscribed Angle Theorem (Case 1)
Contour sets (lower and upper)
Angle bisector
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Expected Value
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