Answer:
Option 3. 360°
Explanation:
we know that
The sum of the measures of the interior angles of triangle is equal to 180 degrees
The figure has two triangles
therefore
Alternative Method
The formula to calculate the sum of the measures of the interior angles of a polygon is equal to
where
n is the number of sides of the polygon
In this problem we have a a quadrilateral
so
n=4
substitute