Question

x° 50° 52° o x = 74 o x = 72 o x = 66 o x = 78

Explanation:

Step1: Recall angle - sum property

The sum of interior angles of a triangle is 180°. So, $x + 50+52=180$.

Step2: Solve for x

$x=180-(50 + 52)$.
$x=180 - 102$.
$x = 78$.

Answer:

$x = 78$