Question

Need help with math ​

Answer 1

to find are u need to do it this way: pie r sqare

Explanation:

22/7x7x7

22/7 x49

cut 7 and 49

1 and 7

22/1x7

=22x7

=154

Answer 2

The answer is c

C=2πr
2(3.14x7) = 43.96
C. 14 πcm = 14x3.14 = 43.96