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Circles

Multiple Choice Questions

141. In the following figure, O is the centre of the circle and ∠AOB = 110°. Then, the measure of ∠OCB is

110°
70°
55°
55°

126 Views

142. In the following figure, BC is the diameter of the semi-circle and O is the centre of the circle. If the measure of ∠ABO = 65°, then the measure of ∠OAC is equal to

45°
35°
25°
25°

82 Views

143. In the following figure, O is the centre of the circle. If measure of ∠BAC = 50°, then the measure of ∠BOC is

120°
100°
80°
80°

100 Views

144. In the following figure, ∠BAC and ∠BDC are the angles on the same segment of a circle. If the measure of ∠ABC = 60° and the measure of ∠ACB = 50°, then the measure of ∠BDC is equal to

120°
100°
70°
70°

89 Views

145. In the following figure, O is the centre of the circle and BC is a diameter. If ∠OCP = 40° and the chord AP is perpendicular to the diameter BC, then the measure of ∠OAB is equal to

70°
60°
50°
50°

85 Views

146. In the following figure, O is the centre of the circle. OA = 10 cm and perpendicular OC on chord AB = 8 cm, then the length of the chord AB is

8 cm
10 cm
12cm
12cm

153 Views

147. The length of a chord of a circle is equal to its radius. Find the measure of the angle subtended by that chord in major segment.

30°
60°
45°
45°

161 Views

148. Two secants PAB and PDC drawn from P to a circle ABCD intersect it at points A, B and C, D respectively. If ∠PAD = 60°, then the degree measure of ∠BCD is