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algebraic angle application assumed axes axis base becomes branch called centre chords circle co-efficient co-ordinates common cone considered constructed contains continued corresponding course curve decimal denote describe determined diameter differential direction distance divided division draw drawn elements ellipse equal equation expression extremity face factors figure fixed formula fraction function Geometry give given greater hence horizontal indicated infinite intersection known latitude length less limit manner means measure meridian method multiplied nature observations operation parallel pass perpendicular plane polygon portion position principles problem projection quantity radius ratio reduced referred relation remaining represent respect result right angles roots rule scale sides sphere square straight line substitute suppose surface survey taken tangent term third tion triangle unit variable vertex vertical whole
Page 85 - 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.
Page 275 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Page 80 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Page 274 - In any right-angled triangle, the square described on the hypotenuse is equal to the sum of the squares described upon the other two sides.
Page 337 - The logarithm of a number is the exponent of the power to which it is necessary to raise a fixed number, in order to produce the first number.
Page 148 - Similar cylinders are to each other as the cubes of their altitudes, or as the cubes of the diameters of their bases.
Page 562 - ... triangles are to each other as the products of their bases by their altitudes.
Page 584 - A zone is a portion of the surface of a sphere included between two parallel planes.