Answer:
x = 50°
Explanation:
52° + 78° + x = 180° (Because of the angle sum property)
=> 130° + x = 180°
=> x = 180° - 130°
=> x = 50°
50°
Step 1:
52° + 78° + x = 180° Sum of a Δ
Step 2:
130° + x = 180° Combine Like Terms
Step 3:
x = 180° - 130° Subtract 130° on both sides
Hope This Helps :)
