Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 94
iameter at right anglesto one another. Semicircle is a half circle. Quadrant is a quarter cf a circle. Angles* Angle is the opening or inclination of two lines which meet in one point.If two radii being drawn from the extremities of a circle arc, to the centre;the arc, is a measure of the angle at… … Triangles* Triangle is a figure of three sides.Equilateral Triangle, has all its sides equal.Isosceles Triangle has two of its sides equal.Scalene Triangle has all its sides unequal.Bight-angled triangle has one right angle.Obtuse-angled, triangle, has one ohtuse angle.Acute-angled triangle has all…
Mechanical engineering · Engineering
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