Question

Find the sizes of unknown angle
with processss

Answer 1

.60+30+x=180. (by linear pair)

90+x=180

x=180-90

x=90

Answer 2

Answer:

90⁰

Step-by-step explanation:

By linear pair

60⁰ + 30⁰ + X = 180⁰

90⁰ + X = 180⁰

X = 180⁰ - 90⁰

X = 90⁰

hope it will help you