Elements of Geometry and Trigonometry |
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Page 42
... circumference . CD is a tangent . The point M , where the tangent touches the circumference , is called the point of contact . M In like manner , two circumferences touch each other when they have but one point in common . 9. A polygon ...
... circumference . CD is a tangent . The point M , where the tangent touches the circumference , is called the point of contact . M In like manner , two circumferences touch each other when they have but one point in common . 9. A polygon ...
Page 122
... circumference whose diameter is 1 , or the ratio of the circumference to the diameter . In like manner , the area of the circle , whose radius is OB , will be equal to л × ОВ2 ; but л × СА2 : π × OB2 : : CA2 : OB2 hence the areas of ...
... circumference whose diameter is 1 , or the ratio of the circumference to the diameter . In like manner , the area of the circle , whose radius is OB , will be equal to л × ОВ2 ; but л × СА2 : π × OB2 : : CA2 : OB2 hence the areas of ...
Page 281
... circumference of a ' circle when the diameter is given , or the diameter when the circumference is given . RULE . - Multiply the diameter by 3.1416 , and the product will be the circumference ; or , divide the circumference by 3.1416 ...
... circumference of a ' circle when the diameter is given , or the diameter when the circumference is given . RULE . - Multiply the diameter by 3.1416 , and the product will be the circumference ; or , divide the circumference by 3.1416 ...
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