Elements of Geometry and Trigonometry |
From inside the book
Page 109
... regular polygon . Regular polygons may have any number of sides : the equi- lateral triangle is one of three sides ; the square is one of four . PROPOSITION I. THEOREM . Two regular polygons of the same number of sides are similar ...
... regular polygon . Regular polygons may have any number of sides : the equi- lateral triangle is one of three sides ; the square is one of four . PROPOSITION I. THEOREM . Two regular polygons of the same number of sides are similar ...
Page 113
... regular decagon , and will re- quire to be applied ten times to the circumference . For , drawing MB , we have by ... regular decagon , the pentagon ACEGI will be formed , also regular . 3d . AB being still the side of the decagon ...
... regular decagon , and will re- quire to be applied ten times to the circumference . For , drawing MB , we have by ... regular decagon , the pentagon ACEGI will be formed , also regular . 3d . AB being still the side of the decagon ...
Page 205
Adrien Marie Legendre Charles Davies. APPENDIX . THE REGULAR POLYEDRONS . A regular polyedron is one whose faces are all equal regular polygons , and whose solid angles are all equal to each other . There are five such polyedrons ...
Adrien Marie Legendre Charles Davies. APPENDIX . THE REGULAR POLYEDRONS . A regular polyedron is one whose faces are all equal regular polygons , and whose solid angles are all equal to each other . There are five such polyedrons ...
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