Question

Find the missing angle
(with formula ) for class 5​

Answer 1

Answer:

55°

Step-by-step explanation:

a straight angle is 180° so 75°+50°+55°=180°

Answer 2

Answer:

? = 55

Step-by-step explanation:

let the missing angle be x

x + 50° + 75° = 180°

x + 125° = 180°

x = 180°- 125°

x = 55