 | Andrew Jackson Rickoff - Arithmetic - 1886 - 688 pages
...plane for the purpose. 385. A portion of a plane bounded by one or more lines is a plane figure. 386. A Circle is a plane figure bounded by a curved line,...every point of which is equally distant from a point within, called the center. 387. The boundary line of a circle is called the circumference. 388. A straight... | |
 | W. V. Wright - Measurement - 1887 - 76 pages
...two sides parallel is called a trapezium. The perimeter of a plane figure is the sum of its sides. A circle is a plane figure bounded by a curved line,...every point of which is equally distant from a point within, called the centre. The boundary line is called the circumference. A straight line drawn through... | |
 | Edward Richard Shaw - 1887 - 488 pages
...straight line joining the vertices of two angles not adjacent. The length of the line bounding it. 251. A plane figure bounded by a curved line every point of which is equally distant from the centre. 252. Multiply the diameter by 3.14159. 253. Multiply the circumference by half the radius.... | |
 | Edward Richard Shaw - Examinations - 1887 - 360 pages
...straight line joining the vertices of two angles not adjacent. The length of the line bounding it. 251. A plane figure bounded by a curved line every point of which is equally distant from the centre. 252. Multiply the diameter by 3.14159. 253. Multiply the circumference by half the radius.... | |
 | James Morton - Mathematics - 1887 - 236 pages
...CIRCUMFERENCE, AREA, AND SQUARING THE CIRCLE. The Circle, and the Measurement of Angles. Definitions. A CIRCLE is a plane figure bounded by a curved line, every part of which is equidistant from a point within called the centre, and contains as great an area within... | |
 | Andrew Jackson Rickoff - 1888 - 464 pages
...plane for the purpose. 385. A portion of a plane bounded by one or more lines is a plane figure. 386. A Circle is a plane figure bounded by a curved line,...every point of which is equally distant from a point within, called the center. 387. The boundary line of a circle is called the circumference. 388. A straight... | |
 | George Soulé - Arithmetic - 1888 - 568 pages
...circle. 404. A Degree is the angle measured by the arc of 3^0 part of the circumference of n circle. 405. A Circle is a plane figure bounded by a curved line, every part of which is equally distant from a, certain point within called the center. 406. The Circumference... | |
 | Benjamin Franklin Finkel - Mathematics - 1888 - 518 pages
...bounded by straight lines. 11. A Circle (xipxiis, circle, ring) is a portion of a plane bounded l>ya curved line every point of which is equally distant from a point within called the center, 12. An ^Ellipse (llU«4&t«) is a portion of a plane bounded by a curved... | |
 | Charles Austin Hobbs - Arithmetic - 1889 - 366 pages
...(qr.) = 25 Ib. ; when the long ton is the standard, 1 qr. = 28 lb. 60. Circular or Angular Measure. A circle is a plane figure bounded by a curved line,...every point of which is equally distant from a point within called the centre. The bounding line is called the circumference, and any part of the circumference... | |
 | Edward Sylvester Ellis - Arithmetic - 1889 - 196 pages
...used in measuring angles and arcs of circles, and in finding tho latitude and longitude of places. A Circle is a plane figure bounded by a curved line every part of which is equally distant from a point within called the center. The Circumference is the boundary... | |
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A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center. 
