# NCERT Mathematics Class 9 Exemplar Ch 10 Circles Part 1

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: 189K) ↧

**Exercise 10.1**

1. AD is a diameter of a circle and AB is a chord. If , , the distance of AB from the centre of the circle is :

(A)

(B)

(C)

(D)

Answer: D

2. In Fig. 10.3, if , and OD is perpendicular to AB, then CD is equal to:

(A)

(B)

(C)

(D)

Answer: A

3. If, and AB is perpendicular to BC, then the radius of the circle passing through the points A, B and C is:

(A)

(B)

(C)

(D)

Answer: C

4. In Fig.10.4, if, then ∠AOC is equal to:

(A)

(B)

(C)

(D)

Answer: B