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adjacent angles algebraical angle ABC angle ACB angle BAC angle BCD angle EDF angle equal angles BGH base BC BC is equal bisect cent centim centre circle ABC circumference coefficient common compound interest Const cosec cube root denominator divided divisor draw equal to AC equation expression exterior angle factor Find the value fraction given point given straight line gnomon gram greater Hence isosceles triangle join kilom less Let ABC logarithm metres metric system miles millig Multiply opposite angles parallel to CD parallelogram perpendicular produced Proof.—Because Q. E. D. Proposition quotient ratio rectangle contained remainder right angles Ax segment side BC square on AC square root subtraction term tlie triangle ABC triangle DEF twice the rectangle
Page 272 - The angles in the same segment of a circle are equal to one another.
Page 233 - If there be two straight lines, one of which is divided into any number of parts, the rectangle contained by the two straight lines is equal to the rectangles contained by the undivided line, and the several parts of the divided line. Let A and BC be two straight lines, and let BC be divided into any...
Page 112 - IF two triangles have two sides of the one equal to two sides of the...
Page 128 - To a given straight line to apply a parallelogram, which shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Page 119 - If a side of any triangle be produced, the exterior angle is equal to the two interior and opposite angles; and the three interior angles of every triangle are together equal to two right angles.
Page 113 - ... equal angles in each ; then shall the other sides be equal, each to each ; and also the third angle of the one to the third angle of the other.
Page 273 - The opposite angles of any quadrilateral figure inscribed in a circle, are together equal to two right angles.
Page 281 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.