1
00:00:00,000 --> 00:00:03,404
Look. An angle.

2
00:00:03,800 --> 00:00:06,988
The ray turns around the vertex.

3
00:00:08,083 --> 00:00:12,495
Ninety degrees. A right angle.

4
00:00:12,883 --> 00:00:14,871
Keep turning.

5
00:00:16,083 --> 00:00:21,263
One hundred eighty degrees. A straight angle.

6
00:00:21,650 --> 00:00:23,638
Keep turning.

7
00:00:24,950 --> 00:00:30,250
Three hundred sixty degrees. A full angle.

8
00:00:30,850 --> 00:00:34,206
A right angle is ninety degrees.

9
00:00:34,500 --> 00:00:38,480
A straight angle is one hundred eighty degrees.

10
00:00:38,766 --> 00:00:42,794
A full angle is three hundred sixty degrees.