An oblate spheroid with has surface area. The oblate spheroid is generated by rotation about the z axis of an ellipse with semi-major axis a and semi-minor axis c, therefore e may be identified as the eccentricity.(See ellipse). A derivation of this result may be found at.A prolate spheroid with has surface area.he oblate spheroid is generated by rotation about the z axis of an ellipse with semi-major axis a and semi-minor axis c, therefore e may be identified as the eccentricity. (See ellipse). A derivation of this result may be found at. A prolate spheroid with has surface area.
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They were 28, 36, 41, 51 and 58 with the Powerball number 24. More: Feeling lucky? Powerball and Mega Millions jackpots are both over $300 million. The Mega Millions drawing is set for Tuesday evening, while Powerball follows on Wednesday if there is no winner Saturday night. Both are played in 44 states, plus Washington, D.C., and the U.S. Virgin Islands. Powerball is also played in Puerto Rico.