## Elementary geometry |

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Side 8

A

A

**diameter**of a circle is a straight line drawn through the centre and terminated both ways by the circumference . Def . 11 . When two straight lines are ... Side 11

**Diameter**. dià uerpéw , to measure across . Plane . “ Planus , level . Complement . Compleo BOOK I. ] II GEOMETRICAL AXIOMS . Side 102

Then if PQ = QR the rectangle is a square ; but if not , produce PQ to T , making QT = QR ; on PQT as

Then if PQ = QR the rectangle is a square ; but if not , produce PQ to T , making QT = QR ; on PQT as

**diameter**describe a semicircle , U being the centre ... Side 108

The area of a rhombus is equal to half the rectangle constructed on the two

The area of a rhombus is equal to half the rectangle constructed on the two

**diameters**of the rhombus . 18. If two opposite sides of a quadrilateral are ... Side 111

ABCD is the

ABCD is the

**diameter**of two concentric circles , P , Q any points on the outer and inner circles respectively . Prove that BP + CP = AQ + DO 47.### Hva folk mener - Skriv en omtale

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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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