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Side 16
... four angles which one straight line makes with another form two straight lines at right angles to one another . II . If four lines AO , BO , CO , DO meet at a point 0 , and the angles AOB , COD are given equal , and also AO , CO are ...
... four angles which one straight line makes with another form two straight lines at right angles to one another . II . If four lines AO , BO , CO , DO meet at a point 0 , and the angles AOB , COD are given equal , and also AO , CO are ...
Side 39
... four - sided figure is less than the sum of the other three sides . 2. Prove that the sum of the lines which join the op- posite angles of any four - sided figure is together greater than the sum of either pair of opposite sides of the ...
... four - sided figure is less than the sum of the other three sides . 2. Prove that the sum of the lines which join the op- posite angles of any four - sided figure is together greater than the sum of either pair of opposite sides of the ...
Side 40
... four sides of a quadrilateral figure is greater than the sum and less than twice the sum of the diagonals . 6. If ABC is a triangle in which AB is greater than AC , and D is the middle point of BC , and AB is joined , prove that the ...
... four sides of a quadrilateral figure is greater than the sum and less than twice the sum of the diagonals . 6. If ABC is a triangle in which AB is greater than AC , and D is the middle point of BC , and AB is joined , prove that the ...
Side 45
... four pairs of corresponding angles are equal , and the two pairs of interior angles on the same side are supplementary . E G C H Part . En . Let the straight line ABCD intersect the two straight lines EF , GH , and make the alternate ...
... four pairs of corresponding angles are equal , and the two pairs of interior angles on the same side are supplementary . E G C H Part . En . Let the straight line ABCD intersect the two straight lines EF , GH , and make the alternate ...
Side 48
... four right angles . Part . En . Let ABCDE be any polygon ; it is re- quired to prove that its interior angles are together less than twice as many right angles as the figure has sides by four right angles . B E Proof . Take any point O ...
... four right angles . Part . En . Let ABCDE be any polygon ; it is re- quired to prove that its interior angles are together less than twice as many right angles as the figure has sides by four right angles . B E Proof . Take any point O ...
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Vanlige uttrykk og setninger
AB² ABCD alternate angles angle ABC angle APB angle BAC angles are equal angles equal bisector centre chord circumference coincide College Constr construct contrapositive Crown 8vo describe a circle diagonals diameter divided draw Edition equal angles equal circles equiangular Euclid exterior angle fcap Find the locus four right angles Geometry given angle given circle given line given point given rectilineal figure given straight line hypotenuse included angle inscribed intersect isosceles triangle less Let AB Let ABC locus magnitudes meet middle point minor arc opposite angles opposite sides parallel parallelogram perpendicular polygon PROBLEM produced Proof Q. E. D. THEOREM quadrilateral radius rectangle contained reflex angle required to prove rhombus right angles segment semicircle Shew square subtend supplementary supplementary angles tangent THEOREM trapezium triangle ABC triangles are equal unequal
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