Elements of Geometry and Trigonometry |
From inside the book
Results 1-5 of 11
Page 30
... units in the number of sides diminished by two . Cor . 1. The sum of the angles in a quadrilateral is equal to two right angles multiplied by 4-2 , which amounts to four right angles : hence , if all the angles of. 30 GEOMETRY .
... units in the number of sides diminished by two . Cor . 1. The sum of the angles in a quadrilateral is equal to two right angles multiplied by 4-2 , which amounts to four right angles : hence , if all the angles of. 30 GEOMETRY .
Page 34
... unit of measure , the magnitude may be expressed by the number of units it contains . If the other magnitude contain a certain number of those units , it also may be expressed by the number of its units , and the two quantities are then ...
... unit of measure , the magnitude may be expressed by the number of units it contains . If the other magnitude contain a certain number of those units , it also may be expressed by the number of its units , and the two quantities are then ...
Page 53
... unit of measure , an acute angle would be expressed by some number between 0 and 1 ; an obtuse an- gle by some number between 1 and 2. This mode of express- ing angles would not , however , be the most convenient in practice . It has ...
... unit of measure , an acute angle would be expressed by some number between 0 and 1 ; an obtuse an- gle by some number between 1 and 2. This mode of express- ing angles would not , however , be the most convenient in practice . It has ...
Page 69
... unit . 9. Figures have equal areas , when they contain the same measuring unit an equal number of times . 10. Figures which have equal areas are called equivalent . The term equal , when applied to figures , designates those which are ...
... unit . 9. Figures have equal areas , when they contain the same measuring unit an equal number of times . 10. Figures which have equal areas are called equivalent . The term equal , when applied to figures , designates those which are ...
Page 72
... units contained in the base , the other the number of linear units contained in the altitude . This product will give the number of superficial units in the surface because , for one unit in height , there are as many superficial units ...
... units contained in the base , the other the number of linear units contained in the altitude . This product will give the number of superficial units in the surface because , for one unit in height , there are as many superficial units ...
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 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