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)?

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Constructing the Perpendicular Line Through a Point on the Line
Mean Value Theorem
探究長方形對角線上的正方形數目
Example of using color palette
derivatives of x^n

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Alg I graphing linear equations
Example 1
forum
Punctul lui Gergonne.
Italia: Mosaico decorativo.
Problem 6_10

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Perimeter
Solids or 3D Shapes
Linear Programming or Linear Optimization
Unit Circle
Orthocenter