ما يقوله الناس - كتابة مراجعة
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ABC is equal ABCD alternate angles angle ABC angle ACB angle BAC angle DEF angle equal angles FAB angular point base BC bisects the angle centre coincide Consider the triangles Construction corresponding angle DEF are equal describe a triangle describe the circle diagonal equal angles equal area equal in area equal respectively equal to CD equidistant equilateral triangle exterior angle figure of Question finite straight line given angle given finite straight given point given straight line given triangle greater included angle interior opposite angle intersect isosceles triangle line BC middle point opposite sides parallelogram perpendicular produced Prop Proposition q.e.d. EXAMPLES quadrilateral radius rectilineal figure represent a triangle required to prove rhombus right angles Shew side BC sides equal square straight angle surface third side triangle ABC triangle DEF triangles are equal Wherefore
الصفحة 28 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
الصفحة 48 - From the greater of two given straight lines to cut off a part equal to the less. Let AB and C be the two given straight lines, whereof AB is the greater.
الصفحة 151 - To draw a straight line through a given point parallel to a given straight line. Let A be the given point, and BC the given straight line ; it is required to draw a straight line through the point A, parallel to the straight hue BC.
الصفحة 118 - THE straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal and parallel.
الصفحة 149 - ... is equal to the sum of the areas of the squares on the other two sides.
الصفحة 114 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
الصفحة 135 - DE : but equal triangles on the same base and on the same side of it, are between the same parallels ; (i.
الصفحة 125 - The line joining the middle points of two sides of a triangle is parallel to the third side and equal to half of the third side.