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CBSE Class 9 Answered

if diagonals of a cyclic quadrilateral are diameters of the circle and perpendicular to each other, prove that it is a square.
Asked by | 23 Feb, 2013, 11:53: AM
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Answered by | 23 Feb, 2013, 08:11: PM

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CBSE 9 - Maths
if two circles intersect at two points prove that their centres lie in the perpendicular bisector of the common chord
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CBSE 9 - Maths
AB is chord of a circle with centre O. Let P and T be two points on the circumpherence such that < APB # < ATB and < APB = 80 degree then what is the value of < ATB.
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CBSE 9 - Maths
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CBSE 9 - Maths
three girls Reshma Salma And Mandeep are playing a game by standing on a circle of radius 5 drawn in a park Reshma throws a ball to Salma Salma To mandip mandip to Reshma if the distance between Reshma and Salman and between Salman Mandeep 6 each what is the distance between Reshma Mandip
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CBSE 9 - Maths
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CBSE 9 - Maths
Prove that the angle at the centre of a circle is twice the angle at the remaining part of the circle.
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