## Elements of Geometry and Trigonometry |

### From inside the book

Results 1-3 of 14

Page 274

...

...

**feet**, we should understand that one square foot is taken for the unit of measure , and that this unit is contained ...**feet**, it will be most convenient to express the area in square**feet**; if the linear dimensions are yards , it will ...Page 286

...

...

**feet**2 inches , the breadth 2**feet**8 inches , and the depth 2**feet**6 inches ? Ans . 21. 3s . 10ğd . PROBLEM II . To find the surface of a regular pyramid . RULE . - Multiply the perimeter of the base by half the slant height , and the ...Page 291

...

...

**feet**. Ans . 131.9472 . PROBLEM X. To find the convex surface of a cone . RULE . - Multiply the circumference of the ...**feet**, and the diameter of its base 81**feet**. Ans . 667.59 . 2. Required the entire surface of a cone , whose side ...### Contents

BOOK | 7 |

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

BOOK IV | 68 |

14 other sections not shown

### Other editions - View all

### 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