A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 26
two equal legs is called an Isosceles Triangle. A Scalene Triangle is one having no two sidesjqual. The term Scalene is from the Greek shalenos, and signifies oblique, unequal. (See)btuse and acute angled.) A CIRCLE. 18. Circles and Ellipses. A Circle is a plane figure, bounded by a urve line,… … DIAMETER* CIRCUMFER-ENCE, ETC.
Astronomy
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