What is the measure of ∠DAB.
45∘
65∘
55∘
47∘
∠DAB=∠DAC+∠CAB =30∘+25∘ =55∘
In the given figure, AB || CD. If ∠CAB=180∘ and ∠EFC=25∘ then ∠CEF=?
(a)65∘
(b)55∘
(c)45∘
(d)75∘
In a parallelogram ABCD, if ∠A = 115o, then ∠B, ∠C and ∠D are