Angles of a triangle are in the ratio 2:4:3. The smallest angle of the triangle is
40°.
60°.
20°.
80°.
In the figure below, which of the following are opposite angle pairs?
∠r and ∠q.
∠p and ∠x.
∠w and ∠y.
∠p and ∠q.
A bird on the top (T) of a tree sees a grasshopper (P) on the ground at an angle of depression.
Given that PQ = 8m and TQ = 6m, the value of Sin θ;
3/5
5/3
4/5
3/4
In a triangle, if the measure of an exterior angle is 105° and its opposite interior angles are equal. Find the value of these equal angles
75°.
37°.
72 ½ °.
52 ½ °.