From the figure above, what is the value of p?

From the figure above, what is the value of p?

Correct Answer: Option B

Explanation

In the figure above, q^o = 30^o (vertically opposite angles)
(P + 2q)^o + 30^o = 180^o(angles on a straight line)
p + 2 x 30^o + 30^o = 180^o
p + 60^o + 30^o = 180^o
p + 90^o = 180^o
p = 180^o – 90^o
= 90^o

There is an explanation video available below.