NCERT Maths Circles

Q) 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 ball to Salma, Salma to Mandip, and Mandip to Reshma. If the distance between Reshma and Salma and between Salma and Mandip is 6m each, what is the distance between

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 the other chord. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Here AB and PQ are the 2

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 equal angles with the chords. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Here AB and PQ are

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 for better understanding of the question: Here ABCD is the cyclic parallelogram. It is circumscribing a circle with center O. Step 2: ∵ tangents from an external point to a

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 understanding of the question: Here ABCD is the cyclic parallelogram and O is the center of the circle circumscribing it. Step 2: We are given that ABCD is a parallelogram

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 of the triangle DEF are 90°– , 90°– and 90°– . 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the