In the figure below, which of the following are opposite angle pairs?
∠w and ∠y.
∠r and ∠q.
∠p and ∠q.
∠p and ∠x.
Angles of a triangle are in the ratio 2:4:3. The smallest angle of the triangle is
20°.
60°.
40°.
80°.
In the figure, O is the centre and AB a chord to a circle.
Given that angle AOB = 100o, the value of the angle β is:
50°.
100°.
200°.
In the figure, the value of y is:
45°.
150°.
30°.
In the figure, the lines that enclose angle θ are:
PQ and PR.
PQ and RQ.
PR and QR.
Pθ and Qθ.
