Elements of Geometry and Trigonometry |
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Page 12
... expression A < B is used . To signify that A is greater than B , the expression A > B is used ; the smaller quantity being always at the vertex of the angle . The sign is called plus : it indicates addition . The sign is called minus ...
... expression A < B is used . To signify that A is greater than B , the expression A > B is used ; the smaller quantity being always at the vertex of the angle . The sign is called plus : it indicates addition . The sign is called minus ...
Page 13
... expression should not be employed , when there is any danger of confounding it with that of the line AB , which expresses the distance between the points A and B. The expression Ax ( B + C - D ) represents the product of A by the ...
... expression should not be employed , when there is any danger of confounding it with that of the line AB , which expresses the distance between the points A and B. The expression Ax ( B + C - D ) represents the product of A by the ...
Page 30
... expressed by unity , the angle of an equilateral triangle will be expressed by 3 . Cor . 6. In every triangle ABC , the exterior angle BAD is equal to the sum of the two interior opposite angles B and C. For , AE being parallel to BC ...
... expressed by unity , the angle of an equilateral triangle will be expressed by 3 . Cor . 6. In every triangle ABC , the exterior angle BAD is equal to the sum of the two interior opposite angles B and C. For , AE being parallel to BC ...
Page 34
... expressed by numbers , either exactly or approximatively ; and in the latter case , the approximation may be brought ... expressed by the number of units it contains . If the other magnitude contain a certain number of those units , it ...
... expressed by numbers , either exactly or approximatively ; and in the latter case , the approximation may be brought ... expressed by the number of units it contains . If the other magnitude contain a certain number of those units , it ...
Page 35
... expressed by Px C ' to QxC ' , P and Q being also integral numbers , and their ratio will be the same as that of P to Q. 2. If there be four magnitudes A , B , C , and D , having such B. D values that is equal to then A is said to have ...
... expressed by Px C ' to QxC ' , P and Q being also integral numbers , and their ratio will be the same as that of P to Q. 2. If there be four magnitudes A , B , C , and D , having such B. D values that is equal to then A is said to have ...
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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 convex surface Cosine 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 logarithm number of sides opposite parallelogram parallelopipedon pendicular perimeter perpen perpendicular perpendicular let fall plane MN polyedron polygon ABCDE PROBLEM proportional PROPOSITION pyramid quadrant quadrilateral quantities radii radius ratio rectangle regular polygon right angled triangle S-ABCDE Scholium secant segment similar Sine Cotang slant height solid angle solid described sphere spherical polygon spherical triangle square described straight line tang tangent THEOREM triangle ABC triangular prism vertex