## Elements of Geometry and Trigonometry |

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Page 232

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**logarithm**of the first four places , and prefix a characteristic which shall be one less than the number of places including the ciphers . Take from the last column on the right of the page , marked D , the number on the same horizontal ...Page 233

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**logarithm**of .0412 . is 2.614897 . PROBLEM . To find from the table , a number answering to a given**logarithm**. XXXII Search , in the column of**logarithms**, for the decimal part of the given**logarithm**, and if it be exactly found ...Page 242

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**logarithm**the arith metical complement of the**logarithm**to be subtracted , cnd dimin . ishing their sum by 10 . Let a the first**logarithm**. b = the**logarithm**to be subtracted . c = 10 - b - the arithmetical complement of b . Now , the ...### Contents

BOOK | 7 |

Problems relating to the First and Third Books 57 | 57 |

BOOK IV | 68 |

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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