Elements of Geometry and Trigonometry |
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Page 10
... divided by B. B ' indicates that A is to be The Exponential Sign : Thus , 43 , indicates that A is to be taken three times as a factor , or raised to the third power . The Radical Sign , √ : Thus , A , B , indicate that the square root ...
... divided by B. B ' indicates that A is to be The Exponential Sign : Thus , 43 , indicates that A is to be taken three times as a factor , or raised to the third power . The Radical Sign , √ : Thus , A , B , indicate that the square root ...
Page 13
... divided into two classes , straight and curved . 4. A STRAIGHT LINE is one which does not change its direction at any point . 5. A CURVED LINE is one which changes its direction at every point . When the sense is obvious , to avoid ...
... divided into two classes , straight and curved . 4. A STRAIGHT LINE is one which does not change its direction at any point . 5. A CURVED LINE is one which changes its direction at every point . When the sense is obvious , to avoid ...
Page 14
Adrien Marie Legendre. Surfaces are divided into two classes , plane and curved surfaces . 8. A PLANE is a surface , such , that if any two of its points be joined by a straight line , that line will lie wholly in the surface . 9. A ...
Adrien Marie Legendre. Surfaces are divided into two classes , plane and curved surfaces . 8. A PLANE is a surface , such , that if any two of its points be joined by a straight line , that line will lie wholly in the surface . 9. A ...
Page 17
... divided into two species trapezoids and parallelograms . 27. A TRAPEZOID is a quadrilateral which has only two of its sides parallel . 28. A PARALLELOGRAM is a quadrilateral which has its opposite sides parallel , two and two . There ...
... divided into two species trapezoids and parallelograms . 27. A TRAPEZOID is a quadrilateral which has only two of its sides parallel . 28. A PARALLELOGRAM is a quadrilateral which has its opposite sides parallel , two and two . There ...
Page 18
... divided by equals , the quotients will be equal 8. The whole is greater than any of its parts . 9. The whole is equal to the sum of all its parts . 10 . All right angles are equal . 11. Only one straight line can be drawn joining two ...
... divided by equals , the quotients will be equal 8. The whole is greater than any of its parts . 9. The whole is equal to the sum of all its parts . 10 . All right angles are equal . 11. Only one straight line can be drawn joining two ...
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Common terms and phrases
ABCD AC² adjacent angles altitude angle ACB apothem Applying logarithms base and altitude bisect centre chord circle circumference circumscribed coincide cone consequently convex surface corresponding cosec cosine Cotang cylinder denote diagonals diameter distance divided draw drawn edges equally distant feet find the area Formula frustum given angle given line given point greater hence homologous hypothenuse included angle interior angles intersection less Let ABC log sin logarithm lower base mantissa mean proportional measured by half middle point number of sides opposite parallel parallelogram parallelopipedon perimeter perpendicular plane MN polyedral angle polyedron prism PROBLEM PROPOSITION proved pyramid quadrant radii radius rectangle regular polygons right angles right-angled triangle Scholium secant segment side BC similar sine slant height sphere spherical polygon spherical triangle square Tang tangent THEOREM triangle ABC triangular prisms triedral angle upper base vertex vertices whence