## Elementary geometry |

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Side 87

Obs . A straight line is equal to the sum or difference of its

Obs . A straight line is equal to the sum or difference of its

**segments**according as it is divided internally or externally THEOREM 5 . Side 89

Euclid , Il . 7 . * Euclid , 11. 5 , Cor . * Eucl SECT . I. ]

Euclid , Il . 7 . * Euclid , 11. 5 , Cor . * Eucl SECT . I. ]

**SEGMENTS**OF A STRAIGHT LINE . 89. Side 91

If a straight line is bisected and divided in any point , the rectangle contained by the

If a straight line is bisected and divided in any point , the rectangle contained by the

**segments**is equal to the difference of the squares on half the line ... Side 96

If a straight line is divided internally or externally at any point , the sum of the squares on the

If a straight line is divided internally or externally at any point , the sum of the squares on the

**segments**is double the sum of the squares on half the ... Side 103

... into two

... into two

**segments**such that the rectangle contained by the given line and one of the**segments**may be equal to the square on the other**segment**.### Hva folk mener - Skriv en omtale

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### Vanlige uttrykk og setninger

ABCD adjacent angle ABC angle APB angle BAC base bisect bisector Book called centre chord circle circumference coincide College common Constr construct converse Crown 8vo diagonals diameter difference distance divided draw drawn Edition ELEMENTARY equal angles Euclid Examples exterior angle extremities fall figure Find follows four Geometry given angle given point given straight line greater half Hence Illustrations included inscribed interior intersect isosceles triangle Join length less Let ABC line drawn locus magnitudes measure meet middle point minor arc opposite sides parallel parallelogram pass perpendicular placed polygon PROBLEM produced Professor Proof proportional quadrilateral radius ratio rectangle contained rectilineal figure regular required to prove respectively right angles School segment Shew sides similar Similarly square supplementary tangent THEOREM third touch triangle ABC unequal

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