An Introduction to Geometry and the Science of Form: Prepared from the Most Approved Prussian Text-books |
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Common terms and phrases
ABCD fig acute angles adjacent angles angles are equal axes Bisect called centre chord circumference coincide concave angles convex angle convex surface cube curved line cylinder describe a circle describe an arc diagonals diameter divided division points draw a line Draw a straight edge equal altitude equal angles equal bases equilateral triangle erect a perpendicular exterior angles faces find the number found by multiplying given number given square greatest number hexagon horizontal hypothenuse inch inscribed isosceles triangle length line angles line passes measure multiply the number number of lines number of points number of straight obtuse angles opposite parallelogram parallelopiped passes 2 points pendicular pentagon proportion protractor pyramid quadrilateral radii radius equal ratio regular polygon right angles semi-circumference set intersecting side AC similar triangles solid angles sphere Suppose tangents triangle ABC triangular prism unequal vertex vertices