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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Player picks five numbers between 1 and 59. Then they pick a powerball number between 1 and 35. Players can select these numbers or they can choose quick pick which allows the computer to pick the numbers using a form of random number table. Twice a week numbers are selected on TV. To win simply .... Match 5 numbers and the Powerball number = Jackpot.