"Subtend" Quotes from Famous Books
 ... small part of the hypocycloid traced by rolling the smaller pitch-circle within the larger. It is self-evident that the hypocycloid must return into itself at the point of beginning, without crossing: each branch, then, must subtend an aliquot part of the circumference, and can be traced also by another and a smaller describing circle, whose diameter therefore must be an aliquot part of the diameter of the outer pitch-circle; and since this last must be equal to the sum of the diameters of the two describing circles, ...
— Scientific American Supplement, Vol. XIX, No. 470, Jan. 3, 1885 • Various
... proportions have been so much mutilated by its only explorer, the late Dr. Wallin. Beginning with Damascan Trachonitis, and situated, in the parallel of north lat. 28 degrees, about sixty direct miles east of the Red Sea, it is reported to subtend the whole coast of North-Western Arabia, between El-Muwaylah (north lat. 27 degrees 39') and El-Yambu' (north lat. 24 degrees 5'). Equally noticeable are the items of information concerning the Wady Hamz, the "Land's End" of Egypt, and the most important feature of its kind in North-Western ...
— The Land of Midian, Vol. 1 • Richard Burton
... some notion may be formed by the fact, that the diameter of the earth's annual orbit, if viewed from it, would dwindle into an invisible point. This is what is meant by the stars not having, like the planets, a parallax; that is, the earths' orbit, as seen from them, does not subtend a measurable angle. With two other stars, however, astronomers have unexpectedly and recently been more fortunate than with Sirius, and have been able to calculate their distances from the earth. The celebrated BESSEL, and soon afterwards, the late Mr. HENDERSON, astronomer royal ...
— An Expository Outline of the "Vestiges of the Natural History of Creation" • Anonymous |
