finding area of circle

1:49

14:52

3:39

3:52

کوتاه

کوتاه

3:38

2:01

9:32

1:43

11:03

1:35

5:57

12:36

3:13

15:03

2:05

14:59

4:16

12:36

5:56

5:56

13:09

5:14

20:34

9:45

3:13

5:36

6:08

19:09

کوتاه

5:34

11:04

7:56

12:06

6:11

8:15

12:32

2:38

2:59