## 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 100

Side 6

A plane figure , terminated on all

figure , or polygon , and the lines themselves taken together form the contour , or

perimeter of the polygon . 17. The polygon of three

A plane figure , terminated on all

**sides**by straight lines , is called a rectilinealfigure , or polygon , and the lines themselves taken together form the contour , or

perimeter of the polygon . 17. The polygon of three

**sides**, the simplest of all , is ... Side 7

A parallelogram , or rhomboid , is that which has its opposite

all its

trapezoid , only two of whose

are ...

A parallelogram , or rhomboid , is that which has its opposite

**sides**parallel , butall its

**sides**are not equal , nor its angles right angles . 28. And , lastly , thetrapezoid , only two of whose

**sides**are parallel . 29. All other four sided figuresare ...

Side 9

If two triangles have turo

in all respects . Let ABC , DEF be two triangles which have the two

...

If two triangles have turo

**sides**and the included angle in the one , equal to two**sides**and the included angle in the other , the triangles will be identical , or equalin all respects . Let ABC , DEF be two triangles which have the two

**sides**AB , AC...

Side 10

The angles at the base of an isosceles triangle are equal to one another : namely

, those to which the equal

AC equal to the

The angles at the base of an isosceles triangle are equal to one another : namely

, those to which the equal

**sides**are opposite . If the triangle ABC have the**side**AC equal to the

**side**BC : then will the angle B be equal to the angle A. For ... Side 11

When two triangles have all the three

have their three

DF ...

When two triangles have all the three

**sides**in the one , equal to all the three**sides**in the uther , the triangles are identical ... Let the two triangles ABC , DEF ,have their three

**sides**respectively equal , that is , the**side**AB equal to DE , AC toDF ...

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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