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Q) If circles are drawn taking two sides of a triangle as diameters, prove that the point of intersection of these circles lies on the third side. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Here, in Δ PQR, 2 circles are drawn – […]
Q) Prove that the circle drawn with any side of a rhombus as diameter passes through the point of intersection of its diagonals. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Here, AB is the side of a rhombus and also diameter of
Q) 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 segment joining the points of contact at the centre. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Here,
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 the minor arc and also at a point on the major arc. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of
Q) Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Here, side AB subtends ∠AOB at center and its opposite side CD subtends âˆ
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 of the circle. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Given that the distance OA = 5
Q) A, B, C and D are four points on a circle. AC and BD intersect at a point E, such that ∠BEC = 130° and ∠ECD = 20°. Find BAC. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Here we
A, B, C and D are four points on a circle. AC and BD intersect at a point E Read More »
Q) Prove that the tangents drawn at the ends of a diameter of a circle are parallel. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Here PQ is the diameter of the circle with center O. AB and CD are the two tangents,
Prove that the tangents drawn at the ends of a diameter of a circle are parallel. Read More »
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 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