surface areas

3:28

2:25:38

30:36

29:41

13:47

11:14

6:42

16:51

8:11:14

4:57

2:51:15

1:42

4:11:33

13:18

27:41

43:48

5:35

18:56

9:11

18:42

7:00

5:41

1:20

10:15

5:39

3:33

18:13

7:40

11:19

19:47

40:37

2:45

2:08:34

1:24:11

8:07

9:41

1:08:09

58:05

2:31:52

8:29

55:20

35:52

2:07:45

1:34

8:11

15:13

5:26

3:09

2:13:54

2:55

16:51

11:13

6:36

1:08:29

30:37

8:56

3:48

1:35:20

6:20

16:23