Wolfram Demonstrations Project
8769

Measuring Angles Using Diagonal Lines

This Demonstration shows diagonal lines on a circle with precision 10'. To estimate the number of minutes, try to find which grid corner most nearly intersects the red line. The vertical coordinate of that corner in the grid is the estimate.

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 Izidor Hafner
"Measuring Angles Using Diagonal Lines"
 http://demonstrations.wolfram.com/MeasuringAnglesUsingDiagonalLines/
 Wolfram Demonstrations Project
 Published: November 29, 2012
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