Elements of Geometry and Trigonometry |
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Page 19
... contained by equal sides , ( Prop . V. ) ; therefore CG is equal to EF . Now , there may be three cases in the proposition , according as the point G falls without the triangle ABC , or upon its base BC , or within it . First Case . The ...
... contained by equal sides , ( Prop . V. ) ; therefore CG is equal to EF . Now , there may be three cases in the proposition , according as the point G falls without the triangle ABC , or upon its base BC , or within it . First Case . The ...
Page 34
... contain the measuring unit an exact number of times , there may perhaps be a smaller unit which will be contained an exact number of times in each of the magnitudes . But if there is no unit of an assignable value , which shall be ...
... contain the measuring unit an exact number of times , there may perhaps be a smaller unit which will be contained an exact number of times in each of the magnitudes . But if there is no unit of an assignable value , which shall be ...
Page 51
... contained by the radii will also be equal , Let C and C be the centres of equal circles , and the angle ACB = DCE . First . Since the angles ACB , DCE , are equal , they may be placed upon each other ; and since their sides are equal ...
... contained by the radii will also be equal , Let C and C be the centres of equal circles , and the angle ACB = DCE . First . Since the angles ACB , DCE , are equal , they may be placed upon each other ; and since their sides are equal ...
Page 52
... contained 7 times in the angle ACB , and 4 times in DCE . M The seven partial angles ACm , mCn , nCp , & c . , into which ACB is divided , being each equal to any of the four partial angles into which DCE is divided ; each of the ...
... contained 7 times in the angle ACB , and 4 times in DCE . M The seven partial angles ACm , mCn , nCp , & c . , into which ACB is divided , being each equal to any of the four partial angles into which DCE is divided ; each of the ...
Page 60
... contain , being given , to describe the triangle . Let the lines B and C be equal to TB TC the given sides , and A the given an- gle . Having drawn the indefinite line . EDF equal to the given angle A ; DE , at the point D , make the ...
... contain , being given , to describe the triangle . Let the lines B and C be equal to TB TC the given sides , and A the given an- gle . Having drawn the indefinite line . EDF equal to the given angle A ; DE , at the point D , make the ...
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Common terms and phrases
adjacent adjacent angles altitude angle ACB angle BAC ar.-comp base multiplied bisect Book centre chord circ circumference circumscribed common cone convex surface Cosine Cotang cylinder diagonal diameter dicular distance draw drawn equal angles equally distant equiangular equivalent figure formed four right angles frustum given angle given line gles greater homologous sides hypothenuse inscribed polygon intersection less Let ABC let fall logarithm measured by half number of sides oblique lines opposite parallelogram parallelopipedon pendicular perimeter perpen perpendicular plane MN polyedron polygon ABCDE prism proportional PROPOSITION pyramid quadrant quadrilateral quantities radii radius ratio rectangle regular polygon right angled triangle S-ABC Scholium secant secant line segment side BC similar sine solid angle solid described sphere spherical polygon spherical triangle square described straight line tang tangent THEOREM triangle ABC triangular prism vertex