area of cuboid

1:34

3:36

3:37

3:32

2:57

12:54

1:42

6:16

1:55

2:39

3:56

4:06

2:48

3:48

8:30

8:11

15:13

1:47

2:44

3:01

6:54

6:40

4:55

4:46

9:35

8:02

3:43

12:23

13:18

38:48

10:32

12:21

3:41

1:39:15

4:36

9:29

18:42

2:38

5:36

3:07

7:22

8:44

16:10

1:04:27

4:37

30:29

7:33

16:51

29:05

10:24

4:07

1:34

7:32

7:18

16:36

7:29

1:45

20:23

4:38

6:32