41. N . Reed has shown how to find the area bounded by a cycloid by using Cavalieri's principle. 42. Cycloid ( circular ) scales have a smooth texture and are uniform, with a smooth outer edge or margin.43. The cycloid has been called " The Helen of Geometers " as it caused frequent quarrels among 17th-century mathematicians. 44. Galileo originated the term " cycloid " and was the first to make a serious study of the curve. 45. This result and others were published by Torricelli in 1644, which is also the first printed work on the cycloid . 46. The large scales are cycloid and imbricate; they are arranged in a longitudinal series of 12 & ndash; 40. 47. There, he defeats the new " Inferno " Cycloid Emperor, the current alien leader, stopping their threat for good. 48. Acanthomorphs have developed spiny cycloid scales of other groups ), tooth-bearing premaxilla and greater adaptations to high speed swimming. 49. The tip of the tether moves in approximately a cycloid , in which it is momentarily stationary with respect to the ground. 50. It does not have a lateral line along the side but does have 39 to 43 cycloid scales in the lateral series.
