Elements of Geometry and Trigonometry |
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Page 5
... Areas , 93 Problems relating to the Fourth Book , 129 BOOK V. Regular Polygons - Measurement of the Circle , 136 ..... BOOK VI . Planes , and Polyedral Angles , .... Polyedrons , 157 BOOK VII . 178 Cylinder , Cone , and Sphere , BOOK VIII .
... Areas , 93 Problems relating to the Fourth Book , 129 BOOK V. Regular Polygons - Measurement of the Circle , 136 ..... BOOK VI . Planes , and Polyedral Angles , .... Polyedrons , 157 BOOK VII . 178 Cylinder , Cone , and Sphere , BOOK VIII .
Page 7
... Polygon , 112 113 Area of a Regular Polygon , To find the Circumference of a Circle , To find the Diameter of a Circle , 114 ... 116 116 ..... To find the length of an Arc , 117 Area of a Circle , Area of a Sector , Arca of a Segment ...
... Polygon , 112 113 Area of a Regular Polygon , To find the Circumference of a Circle , To find the Diameter of a Circle , 114 ... 116 116 ..... To find the length of an Arc , 117 Area of a Circle , Area of a Sector , Arca of a Segment ...
Page 8
... Polygon , Volume of a Prism , Volume of a Pyramid , ... Volume of the Frustum of a Pyramid , Volume of a Sphere , Volume of a Wedge , Volume of a Prismoid , Volumes of Regular Polyedrons ,. PAGE . 120 120 121 122 122 123 121 124 125 126 ...
... Polygon , Volume of a Prism , Volume of a Pyramid , ... Volume of the Frustum of a Pyramid , Volume of a Sphere , Volume of a Wedge , Volume of a Prismoid , Volumes of Regular Polyedrons ,. PAGE . 120 120 121 122 122 123 121 124 125 126 ...
Page 15
... polygon . The broken line , made up of all the sides of the polygon , is called the perimeter of the polygon . The angles formed by the sides , are called angles of the polygon . 19. Polygons are classified according to the number of ...
... polygon . The broken line , made up of all the sides of the polygon , is called the perimeter of the polygon . The angles formed by the sides , are called angles of the polygon . 19. Polygons are classified according to the number of ...
Page 16
... polygon is a straight line joining the vertices of two angles , not consecutive . 24. A BASE of a polygon is any one of its sides on which the polygon is supposed to stand . 25. Triangles may be classified with reference either to their ...
... polygon is a straight line joining the vertices of two angles , not consecutive . 24. A BASE of a polygon is any one of its sides on which the polygon is supposed to stand . 25. Triangles may be classified with reference either to their ...
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Common terms and phrases
AB² ABCD AC² adjacent angles altitude angle ACB apothem Applying logarithms base and altitude centre chord circle circumference circumscribed coincide cone consequently convex surface corresponding cosec Cosine Cosine D Cotang cylinder denote diameter distance divided draw drawn edges equally distant feet find the area following RULE Formula frustum given angle given straight line greater hence homologous hypothenuse included angle interior angles intersection less Let ABC log sin logarithm lower base mantissa mean proportional measured by half number of sides opposite parallel parallelogram parallelopipedon perimeter perpendicular plane MN polyedral angle polyedron prism PROPOSITION proved pyramid quadrant radii radius rectangle regular polygon right-angled triangle Scholium 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
Popular passages
Page 26 - If two triangles have two sides and the included angle of the one, equal to two sides and the included angle of the other, each to each, the two triangles will be equal in all their parts." Axiom 1. "Things which are equal to the same thing, are equal to each other.
Page 57 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Page 124 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Page 4 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Page 102 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Page 44 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Page 41 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Page 57 - A chord is a straight line joining the extremities of an arc.
Page 16 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.
Page 55 - In a series of equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent.