surface areas and volumes

2:25:38

43:48

2:51:15

4:11:33

8:11:14

18:56

2:31:52

15:14

23:25

1:08:09

6:32

1:35:20

10:15

53:04

40:37

58:05

14:54

30:37

2:08:34

10:21

5:48

6:42

1:24:11

16:51

3:26

53:50

6:59

25:25

1:08:29

1:02:39

2:03:05

55:20

21:26

1:38:06

2:07:45

31:07

11:20

3:28

13:18

20:52

37:39

2:13:54

8:07

59:33

2:44

13:47

11:14

3:17:59

43:10

4:07

8:11

33:36

1:18:48

28:04

1:06:47

15:13

27:41

10:40

9:35

6:05