Mathematics
BC is a tangent to the circle with center O. OD is radius of the circle. If ∠DOC = 100°, ∠B is equal to :
50°
60°
40°
70°
Related Questions
In the given figure, APB is tangent to the inner circle and also a chord of outer circle. Both the circles are concentric. If OA = 10 cm and OP = 6 cm, the length of AB is :
16 cm
10 cm
14 cm
20 cm
A, B and C are three circles which touch each other as shown. Using the information, given in the diagram, we find the length AB as :
6 cm
17 cm
(289 - 9 - 2) cm
11 cm
PA and PB are tangents to a circle with center O. If angle BPA = 70°, the angle ACB is :
70°
105°
140°
55°
In the given circle with centre O, PA and PB are tangents and ∠OAB = 28°, then ∠APB is :
90°
56°
62°
90° + 28°