1
00:00:00,000 --> 00:00:02,228
A parallelogram.

2
00:00:03,800 --> 00:00:06,004
The base is five.

3
00:00:06,100 --> 00:00:08,208
The height is three.

4
00:00:09,700 --> 00:00:12,936
These two triangles are congruent.

5
00:00:13,033 --> 00:00:15,549
Now it is a rectangle.

6
00:00:15,633 --> 00:00:21,101
The area of the parallelogram equals the area of the rectangle.

7
00:00:21,200 --> 00:00:25,924
The area of the rectangle is base times height, five times three.

8
00:00:28,716 --> 00:00:30,944
A parallelogram.

9
00:00:32,516 --> 00:00:34,648
The base is four.

10
00:00:34,733 --> 00:00:36,841
The height is three.

11
00:00:38,333 --> 00:00:41,569
These two triangles are congruent.

12
00:00:41,666 --> 00:00:44,182
Now it is a rectangle.

13
00:00:44,266 --> 00:00:49,734
The area of the parallelogram equals the area of the rectangle.

14
00:00:49,833 --> 00:00:54,509
The area of the rectangle is base times height, four times three.

15
00:00:57,309 --> 00:00:59,225
A triangle.

16
00:01:00,309 --> 00:01:02,441
The base is four.

17
00:01:02,541 --> 00:01:04,649
The height is three.

18
00:01:05,241 --> 00:01:07,973
Complete the parallelogram.

19
00:01:08,058 --> 00:01:11,630
The triangle is half of the parallelogram.

20
00:01:11,724 --> 00:01:14,504
One half of four times three.

21
00:01:17,291 --> 00:01:19,519
A parallelogram.

22
00:01:21,091 --> 00:01:23,391
The base is six.

23
00:01:23,491 --> 00:01:25,575
The height is two.

24
00:01:27,091 --> 00:01:30,327
These two triangles are congruent.

25
00:01:30,427 --> 00:01:32,943
Now it is a rectangle.

26
00:01:33,043 --> 00:01:38,511
The area of the parallelogram equals the area of the rectangle.

27
00:01:38,611 --> 00:01:43,383
The area of the rectangle is base times height, six times two.

28
00:01:46,183 --> 00:01:48,099
A triangle.

29
00:01:49,183 --> 00:01:51,483
The base is six.

30
00:01:51,583 --> 00:01:53,691
The height is four.

31
00:01:54,283 --> 00:01:57,015
Complete the parallelogram.

32
00:01:57,100 --> 00:02:00,672
The triangle is half of the parallelogram.

33
00:02:00,766 --> 00:02:03,498
One half of six times four.

34
00:02:06,283 --> 00:02:08,511
A parallelogram.

35
00:02:10,083 --> 00:02:12,743
The area is twenty-four.

36
00:02:12,843 --> 00:02:15,143
The base is six.

37
00:02:15,243 --> 00:02:19,439
The height equals the area divided by the base.