ما يقوله الناس - كتابة مراجعة
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acceleration algebraic arithmetic arithmetic series axes axis ball base binomial theorem bisected body centre of gravity chord circular measure coefficient of friction cone continued fraction curve Define described diameter differential coefficient distance drawn elastic ellipse equiangular equilateral equilibrium feet per second Find an expression Find the equation Find the number Find the sum find the value find the velocity forces acting fraction geometrical given circle given straight line given triangle harmonic mean horizontal plane hyperbola inclined plane inscribed intersect least common multiple length magnitude middle points number of combinations parabola parallel parallelogram particle pendulum perpendicular positive integer produced pulley Pure Mathematics quadrilateral radius ratio rectangle contained rectangular rhombus right angles roots segments sliding smooth solid angle Solve the equation sphere square STATICS string tangent theorem things taken triangle ABC Trigonometry velocity vertex vertical plane weight whole number
الصفحة 34 - If, from the ends of the side of a triangle, there be drawn two straight lines to a point within the triangle, these shall be less than, the other two sides of the triangle, but shall contain a greater angle. Let...
الصفحة 146 - If a straight line touch a circle, and from the point of contact a straight line be drawn cutting the circle ; the angles which this line makes with the line touching the circle, shall be equal to the angles which are in the alternate segments of the circle.
الصفحة 99 - IF a straight line touch a circle, and from the point of contact a straight line be drawn at right angles to the touching line, the centre of the circle shall be in that line.
الصفحة 34 - To divide a given straight line into two parts, so that the rectangle contained by the whole, and one of the parts, may be equal to the square of the other part.
الصفحة 82 - If from any point without a circle two straight lines be drawn, one of which cuts the circle, and the other touches it ; the rectangle contained by the whole line which cuts the circle, and the part of it without the circle, is equal to the square of the line which touches it.
الصفحة 50 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
الصفحة 2 - AB be the given straight line ; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.
الصفحة 114 - ... the sides containing the obtuse angle, by twice the rectangle contained by the side upon which, when produced, the perpendicular falls, and the straight line intercepted without the triangle between the perpendicular and the obtuse...
الصفحة 18 - If two straight lines cut one another within a circle, the rectangle contained by the segments of one of them, is equal to the rectangle contained by the segments of the other.