## Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of Solids; to which are Added, Elements of Plane and Spherical Trigonometry |

### Inni boken

Resultat 1-5 av 25

Side 6

A plane figure , terminated on all sides by straight lines , is called a

perimeter of the polygon . 17. The polygon of three sides , the simplest of all , is ...

A plane figure , terminated on all sides by straight lines , is called a

**rectilineal****figure**, or polygon , and the lines themselves taken together form the contour , orperimeter of the polygon . 17. The polygon of three sides , the simplest of all , is ...

Side 23

All the interior angles of any

angles as the figure has sides , wanting four right angles . For any

drawing ...

All the interior angles of any

**rectilineal figure**are equal to twice as many rightangles as the figure has sides , wanting four right angles . For any

**rectilineal****figure**ABCDE can be divided into as many triangles as the figure has sides , bydrawing ...

Side 24

gles of the figure are equal to twice as many right angles as the figure has sides ,

wanting four . Cor . 1 . All the exterior angles of any

equal to four right angles . Because every interior angle ABC , with its adjacent ...

gles of the figure are equal to twice as many right angles as the figure has sides ,

wanting four . Cor . 1 . All the exterior angles of any

**rectilineal figure**are togetherequal to four right angles . Because every interior angle ABC , with its adjacent ...

Side 40

To describe a parallelogram equivalent to a given

an angle equal to a given rectilineal angle . Let ABCD be the given

parallelogram ...

To describe a parallelogram equivalent to a given

**rectilineal figure**, and havingan angle equal to a given rectilineal angle . Let ABCD be the given

**rectilineal****figure**, and E the given rectilineal angle . It is required to describe aparallelogram ...

Side 41

To find a triangle that shall be equivalent to any given

ABCDE be the given

triangle CDE ; draw DF parallel to CE , meeting AE produced , and join CF : the

polygon ...

To find a triangle that shall be equivalent to any given

**rectilineal figure**. LetABCDE be the given

**rectilineal figure**. Draw the diagonal CE , cutting off thetriangle CDE ; draw DF parallel to CE , meeting AE produced , and join CF : the

polygon ...

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Elements of Geometry: Containing the First Six Books of Euclid with a ... John Playfair Uten tilgangsbegrensning - 1855 |

Elements of Geometry: Containing the First Six Books of Euclid, with a ... Euclid,John Playfair Uten tilgangsbegrensning - 1853 |

Elements of Geometry: Containing the First Six Books of Euclid, with a ... John Playfair Uten tilgangsbegrensning - 1847 |

### Vanlige uttrykk og setninger

ABCD altitude angle ABC angle BAC base bisected Book called centre chord circle circumference coincide common consequently construction cosine cylinder definition demonstrated described diameter difference distance divided double draw drawn equal equal angles equiangular equilateral Euclid exterior angle extremities fall fore four fourth given given straight line greater half Hence inscribed interior join less Let ABC magnitudes manner meet multiple opposite parallel parallelogram pass perpendicular plane polygon prism Prob produced PROP proportional proposition proved radius ratio reason rectangle contained rectilineal figure remaining right angles segment shewn sides similar sine solid square straight line taken tangent THEOR third touch triangle ABC wherefore whole