Geometry and Algebra
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ABCDE is a circle with centre O. The diameter, AC, is extended to the point F so that CF = 16 cm. The line BF is the tangent to the circle at B and FDE is a straight line such that FD = 18 cm and chord DE = 14 cm (D and E are
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can u help this the qustion is : A circle passes through the points (1,4)&(5,0) and its centre lies on the line x+y3=0.Find (i) the equation of the circle and it parametric equations . (ii) the centre,diameter and area of the
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Two chords in a circle are equal in lengh.The distances from the centre of the circle can be represented by x2 and 4x respectively.How far is it chord from the centre of the circle?[Under the topic of properties of a circle.]
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The equation of a circle with centre O(0,0) is x^2+y^2=40. The points A(2,6) and B(6,2) are endpoints of chord AB. DE right bisects chord AB at F. a)Verify that the centre of the circle lies on the right bisector of chord AB.
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How can I solve this problem? A circle has diameter [AB]. The centre of the circle is (1,3), and B has coordinates (4,1). # Find the coordinates of A. # Find the length of the diameter. HELP ME PLEASE
asked by CC on September 4, 2016