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Class IX Circles
Chapter – 10
Exercise – 10.4
Q3. 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.




Previous Videos related to this chapter are mentioned in the below link:
Theorem-10.1_   • THEOREM-10.1  Equal chords of a circle sub...  
Theorem-10.2_    • If the angles subtended by the chords of a...  
Theorem-10.3_    • THEOREM-10.3 The perpendicular from the ce...  
Theorem-10.4_    • The line drawn through the centre of a cir...  
Theorem-10.6_    • Equal chords of a circle (or of congruent ...  
Theorem-10.7_   • THEOREM-10.7  Chords equidistant from the ...  
Theorem-10.8_    • The angle subtended by an arc at the centr...  
Theorem-10.9_    • THEOREM-10.9 Angles in the same segment of...  
Example-1_    • Example-1 Given an arc of a circle, comple...  
Ex-10.2_Q1_   • Recall that two circles are congruent if t...  
Ex-10.4_Q1_    • Two circles of radii 5 cm and 3 cm interse...  
Ex-10.4_Q2_    • If two equal chords of a circle intersect ...  
Ex-10.4_Q4_    • If a line intersects two concentric circle...  
Ex-10.5_Q1_   • In Fig. 10.36, A,B and C are three points ...  
Ex-10.5_Q3_    • Q3. In Fig. 10.37, ∠ PQR = 100°, where P, ...  
Ex-10.5_Q4_    • Q4. In Fig. 10.38, ∠ ABC = 69°, ∠ ACB = 31...  
Ex-10.5_Q6_    • ABCD is a cyclic quadrilateral whose diago...  
Ex-10.4_Q6_    • Видео  
Ex-10.4_Q5_    • Q5. Three girls Reshma, Salma and Mandip a...  
Ex-10.2_Q2_    • Prove that if chords of congruent circles ...  
Example – 2_    • If two intersecting chords of a circle mak...  




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