63.1k views
2 votes
X

The diagram shows part of a
regular decagon. Work out
the size of the angle marked
X

X The diagram shows part of a regular decagon. Work out the size of the angle marked-example-1

1 Answer

5 votes

Answer:

144°

Explanation:

x = (10 - 2)(180)/10 = 144

User Whichdan
by
8.6k points