Elements of Geometry and Trigonometry |
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Page 24
... extremities A and B. Cor . If a straight line have two points D and F , equally dis- tant from the extremities A and B , it will be perpendicular to AB at the middle point C. PROPOSITION XVII . THEOREM . If two right angled triangles ...
... extremities A and B. Cor . If a straight line have two points D and F , equally dis- tant from the extremities A and B , it will be perpendicular to AB at the middle point C. PROPOSITION XVII . THEOREM . If two right angled triangles ...
Page 41
... extremities of the arc . 6. A straight line is said to be inscribed in circle , when its extremities are in the cir- cumference , as AB . An inscribed angle is one which , like BAC , has its vertex in the circumference , and is formed ...
... extremities of the arc . 6. A straight line is said to be inscribed in circle , when its extremities are in the cir- cumference , as AB . An inscribed angle is one which , like BAC , has its vertex in the circumference , and is formed ...
Page 176
... extremity is tangent to the sphere . Let FAG be a plane perpendicular to the radius OA , at its extremity A. Any ... extremities of one of the equal sides , let fall the perpendiculars EH , DI , on the axis AF , and from the cen- tre ...
... extremity is tangent to the sphere . Let FAG be a plane perpendicular to the radius OA , at its extremity A. Any ... extremities of one of the equal sides , let fall the perpendiculars EH , DI , on the axis AF , and from the cen- tre ...
Contents
BOOK | 7 |
Problems relating to the First and Third Books 57 | 57 |
BOOK IV | 68 |
14 other sections not shown
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Common terms and phrases
adjacent adjacent angles altitude angle ACB angle BAC ar.-comp base multiplied bisect Book VII centre chord circ circumference circumscribed common cone consequently convex surface cosine Cotang cylinder diagonal diameter dicular distance divided draw drawn equally distant equations equivalent feet figure find the area formed four right angles frustum given angle given line gles greater homologous sides hypothenuse inscribed circle inscribed polygon intersection less Let ABC number of sides opposite parallelogram parallelopipedon pendicular perimeter perpen perpendicular plane MN polyedron polygon ABCDE PROBLEM Prop proportional PROPOSITION pyramid quadrant quadrilateral quantities radii radius ratio rectangle regular polygon right angled triangle S-ABC Scholium secant segment similar sine slant height solid angle solid described sphere spherical polygon spherical triangle square described straight line TABLE OF LOGARITHMIC tang tangent THEOREM triangle ABC triangular prism vertex