Aquadrilateral has interior angles 85, 105 and 120 what is the measure of the 4th angle?

Step-by-step explanation:

By the definition  of quadrilateral,

A quadrilateral has four interior angles and the sum of all interior angle of a quadrilateral is always equal to

Here the measurements of three interior angles are , and

Let the measurement of fourth angle is x degree.

Thus,  

Thus, the measure of fourth angle is

your answer is the frist one

hop i