Elements of Geometry and Trigonometry |
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Page 9
... called the unit of measure . 2. In GEOMETRY , there are four species of quantity , viz .. LINES , SURFACES , VOLUMES , and ANGLES . These are called , GEOMETRICAL MAGNITUDES . Since the unit of measure of a quantity is of the same kind ...
... called the unit of measure . 2. In GEOMETRY , there are four species of quantity , viz .. LINES , SURFACES , VOLUMES , and ANGLES . These are called , GEOMETRICAL MAGNITUDES . Since the unit of measure of a quantity is of the same kind ...
Page 10
... called plus : Thus , AB , indicates that B is to be added to A. The Sign of Subtraction , called minus : - " Thus , AB , indicates that B is to be subtracted from A. The Sign of Multiplication , x : Thus , Ax B , indicates that by B ...
... called plus : Thus , AB , indicates that B is to be added to A. The Sign of Subtraction , called minus : - " Thus , AB , indicates that B is to be subtracted from A. The Sign of Multiplication , x : Thus , Ax B , indicates that by B ...
Page 11
Adrien Marie Legendre. The expression , A = B + C , is called an equation . The part on the left of the sign of equality , is called the first member ; that on the right , the second member . The Sign of Inequality , < : Thus , AB ...
Adrien Marie Legendre. The expression , A = B + C , is called an equation . The part on the left of the sign of equality , is called the first member ; that on the right , the second member . The Sign of Inequality , < : Thus , AB ...
Page 13
... lines , not lying in the same direction , is called a broken line . 7. A SURFACE is that which has length and breadth without thickness . Surfaces are divided into two classes , plane and curved BOOK I Definitions, 1325.
... lines , not lying in the same direction , is called a broken line . 7. A SURFACE is that which has length and breadth without thickness . Surfaces are divided into two classes , plane and curved BOOK I Definitions, 1325.
Page 14
... called sides , and their common point A , is called the ver- -B tex . An angle is designated by naming its sides , or some- times by simply naming its vertex ; thus , the above is called the angle BAC , or simply , the angle A. 11. When ...
... called sides , and their common point A , is called the ver- -B tex . An angle is designated by naming its sides , or some- times by simply naming its vertex ; thus , the above is called the angle BAC , or simply , the angle A. 11. When ...
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Common terms and phrases
ABCD ACĀ² 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