# NCERT Mathematics Class 9 Exemplar Ch 10 Circles Part 6

Get top class preparation for CBSE/Class-9 Science right from your home: fully solved questions with step-by-step explanation- practice your way to success.

Download PDF of This Page (Size: 149K) ↧

Q.16. In Fig.10.14, Find.

Answer:

Q.17. A quadrilateral ABCD is inscribed in a circle such that AB is a diameter and Find.

Answer:

Q.18. Two circles with centres O and O′ intersect at two points A and B. A line PQ is drawn parallel to OO′ through A (or B) intersecting the circles at P and Q. Prove that

Q.19. In Fig.10.15, AOB is a diameter of the circle and C, D, E are any three points on the semi-circle. Find the value of

Answer:

Q.20. In Fig. 10.16, and Find and.

Answer: ,