Geometric Construction 10

Cardioidograph

Construct the linkage to draw the cardioid as thus:

Reference

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Construct the linkage to draw the cardioid as thus:

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Construct the linkage to draw the cardioid as thus:

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Construct the linkage to draw the cardioid as thus:

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Construct the linkage to draw the cardioid as thus:

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Construct the linkage to draw the nephroid as thus:

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Construct the linkage to draw the deltoid as thus:

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Construct the Sylvester-Kempe linkage: