In the following figure , O is the centre of the circle , ∠POQ = 70o and PS ⊥OQ.Then ∠MQS =
55o
45o
50o
33o
The length of the complete circle is called its
Radius
Diameter
Circumference
None of these
The number of circle passing through three non - collinear points =
One
Two
Three
Infinite
One angle of a cyclic quadrilateral is 60o.Then its opposite angle is
130o
100o
300o
120o
Two circles of radii 4 cm and 6 cm touch each others, then distance between their centres when they touch internally is
4 cm
5 cm
2 cm
3 cm
The collection of all the points in a plane which are at a fixed distance from a fixed point in the plane is called
Circle
Tangent
Semicircle
Chord
ABCD is a cyclic quadrilateral ∠A : ∠C = 3 : 2 ∠B : ∠D = 4 : 1 then ∠D =
30o
36o
90o
In the given figure A, B and C are three points on a circle with centre O such that ∠BOC = 40o and ∠AOB = 50o.If D is a point on the circle other than the arc ABC, then ∠ADC =
180o
150o
The central angle of an arc ABC is 220o. Then ∠ABC is
60o
65o
70o
75o
In the adjoining figure, PQ = PR and ∠PRQ = 70o.Then ∠QAR =
40o