Question

Three of the angles of a

quadrilateral measure 36', 72, and
144. Which one of the following could
be the measure of the fourth angle
of the quadrilateral?

Answer 1

Angles of a quadrilateral add up to 360

so x+36+72+144=360

x+252=360

x=360-252

x=108

So B is the correct answer

Explanation: