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" PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the centre. "
A Complete Arithmetic: Oral and Written - Σελίδα 72
των Malcolm MacVicar - 1878
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...constant, and equal to the altitude of the triangle. OIECLES. 183. A circle is a portion of a plane bounded by a curved line, all points of which are...equally distant from a point within called the centre. The bounding line is called the circumference. Any portion of the circumference is called an arc. A...

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...included between the bases of the frustum; as GH. 246. A Sphere is a solid bounded by a curved surface, all points of which are equally distant from a point within called the centre ; as ABD. A radius is a straight line drawn from the centre to the surface, as OA ; a diameter is a...

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...the element of contact. THE SPHERE. 19. Definition. A sphere is a solid bounded by a surface all the points of which are equally distant from a point within, called the centre. A sphere may be generated by the revolution of a semicircle ABC about ita diameter AC as an axis; for...

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...CIRCULAR MEASURE. " Circular measure is used in measuring angles and arcs, latitude and longitude. A Circle is a plane figure bounded by a curved line,...equally distant from a point within called the centre, The bounding line of a circle is called its Circumference. A diameter of a circle is a straight line...




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