Question

Find the measure of unlabeled angle in the quadrilateral

Answer 1

Answer:

x=140

Step-by-step explanation:

A quadralterial interior angles sum up to 360. We are given three angles and need to find the missing angle.

Let x, represent the missing angle.

$60 + 55 + 105 + x = 360$

$220 + x = 360$

$x = 140$