A plane curve given by the parametric equations
 |  |  |
(1)
|
 |  |  |
(2)
|
The plots above show curves for values of 
from 0 to 7.
The teardrop curve has area
 |
(3)
|
Teardrop Curve
See also
Dumbbell Curve, Pear Curve, Pear-Shaped Curve, Piriform CurveExplore with Wolfram|Alpha
References
von Seggern, D. CRC Standard Curves and Surfaces. Boca Raton, FL: CRC Press, p. 174, 1993.Cite this as:
Weisstein, Eric W. "Teardrop Curve." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/TeardropCurve.html