In fig., if m||n and ∠a : ∠b = 2 : 3, the measure of ∠h is
120o
108o
150o
72o
In the adjoining figure, it is given that AB || CD, ∠BAO = 108∘ and ∠OCD = 120∘ then ∠AOC = ________.
In a trapezium ABCD, side AB is parallel to side DC. If ∠A=72∘ and ∠C=120∘, then values of ∠B and ∠D are -
In the given figure, if ∠AOC and ∠BOC are in ratio 2 : 3, find ∠AOC, ∠COB, ∠BOD and ∠AOD.
In the adjoining figure, the measure of angle a is 50o, what is the measure of angle d?
In fig x= 30∘ the value of (6y–3x) is