Answer:

Explanation:
Now we have to,
→ find the required value of x.
Forming the equation,
→ 70° + x + 50° = 180°
Now the value of x will be,
→ 70° + x + 50° = 180°
→ (70° + 50°) + x = 180°
→ 120° + x = 180°
→ x = 180° - 120°
→ [ x = 60° ]
Hence, the value of x is 60°.