53.8k views
18 votes
HELP!! I don’t understand

HELP!! I don’t understand-example-1
User Evanwong
by
3.5k points

1 Answer

8 votes

Answer:

RUS is 90 degrees :>

Explanation:

light work!

pretty easy :3

RUS is m=90 degrees because it makes a right angle at the common center which is U

User Brianestey
by
3.7k points