1
00:00:00,000 --> 00:00:03,116
All of these shapes are quadrilaterals.

2
00:00:07,500 --> 00:00:10,304
One pair of parallel sides.

3
00:00:14,600 --> 00:00:17,476
Two pairs of parallel sides.

4
00:00:21,700 --> 00:00:25,896
Two pairs of parallel sides, and four right angles.

5
00:00:30,083 --> 00:00:35,503
Two pairs of parallel sides, four right angles, and four equal sides.

6
00:00:48,000 --> 00:00:50,828
All of these shapes are triangles.

7
00:00:55,500 --> 00:00:57,824
Two sides are equal.

8
00:01:02,600 --> 00:01:04,996
Three sides are equal.