NCERT
Important Questions
Q)Â Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line…
Q) A chord of a circle is equal to the radius of the circle. Find the angle subtended by the chord at a point on…
Q) Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle. 9th Class Maths – NCERT…
Q)Â The length of a tangent from point A at a distance 5 cm from the centre of the circle is 4 cm. Find the radius…
Q) A, B, C and D are four points on a circle. AC and BD intersect at a point E, such that ∠BEC =…
Q) Prove that the tangents drawn at the ends of a diameter of a circle are parallel. 9th Class Maths – NCERT Important Questions Ans:…
Q)Â Three girls, Reshma, Salma and Mandip, are playing a game by standing on a circle of radius 5m drawn in a park. Reshma throws a…
Q) If two equal chords of a circle intersect within the circle, prove that the segments of one chord are equal to corresponding segments of…
Q) If two equal chords of a circle intersect within the circle, prove that the line joining the point of intersection to the centre makes…
Q) Prove that the parallelogram circumscribing a circle is a rhombus. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram…
Q) Prove that a cyclic parallelogram is a rectangle. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better…
Q) Bisectors of angles A, B and C of a triangle ABC intersect its circumcircle at D, E and F, respectively. Prove that the angles…