[Q]: [TheGauss-BonnetTheorem(andtheSurfaceofRevolutionCurvatureTheorem)saysthetotalcurvatureforthelensisequalto4π.]
[A]: [The Gauss-Bonnet Theorem (and the Surface of Revolution Curvature Theorem) says the total curvature for the lens is equal to 4π.]
[Q]: [IndividualswithsurnameHAUSGAARD]
[A]: [Individuals with surname HAUSGAARD]
[Q]: [Korah-whoalsoassistedwiththepracticalpartinthecastingoftheGoldenCalf-knewmuchabouthandlinggoldandgoldmining.]
[A]:
[Korah - who also assisted with the practical part in the casting of the Golden Calf - knew much about handling gold and gold mining.]