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Exercise-9.1
Q1. Recall that two circles are congruent if they have the same radii. Prove that equal chords of congruent circles subtend equal angles at their centres. ...
CIRCLES-True/False
This true/false questionnaire on NCERT Class IX Mathematics Chapter 9 "Circles" helps students strengthen their understanding of fundamental concepts like chords, arcs, sectors, and various theorems. ...
CIRCLES-MCQs
Multiple Choice Questions (MCQs) are one of the most effective tools for mastering Chapter 9 “Circles” of NCERT Class 9 Mathematics. This chapter builds a clear understanding of key geometric idea...
Exercise-8.1
Q1. If the diagonals of a parallelogram are equal, then show that it is a rectangle. ...
QUADRILATERALS-True/False
Master the key concepts of NCERT Class 9 Mathematics Chapter 8 "Quadrilaterals" with this comprehensive True-False questionnaire. Featuring 25 carefully crafted statements, each with clear answers and...
QUADRILATERALS-MCQs
Mastering the concepts of Quadrilaterals is crucial for building a strong foundation in geometry for Class 9 students. This collection of 50 multiple choice questions (MCQs) from NCERT Mathematics Cha...
QUADRILATERALS-Notes
QUADRILATERALS A quadrilateral is a closed figure with four sides, four angles, and four vertices. ...
Exercise-7.3
Q1. \(\mathrm{\triangle ABC \text{ and } \triangle DBC}\) are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC (see Fig. 7.39)....
Exercise-7.2
Q1. In an isosceles triangle ABC, with AB = AC, the bisectors of \(\mathrm{\angle B}\) and \(\mathrm{\angle C}\) intersect each other at O. Join A to O. Show that : ...
Exercise-7.1
Q1. In quadrilateral ACBD, \(AC = AD\) and \(AB\) bisects \(\angle A\) (see Fig. 7.16). Show that \(\triangle ABC \cong \triangle ABD\). What can you say about \(BC\) and \(BD...