The area of a circle is 196 pi square inches. what is the exact length of the circle's radius?

Area of a circle:

     "r" is the radius

Since you know in², you can plug (196) for "A" in the equation

 Divide pi on both sides

196 = r²     Square root both sides

14 = r

1. 3.4/4

2. 0.8/7

3. 0.5 x 3

4. 0.9 x 6

5. 10.8

6. 2.35

7. 0.567

8. 9.35

9. 0.02

10. 0.06

11. 0.16

12. 0.42

13. 0.63

14. 5.6

15. 8.1

16. 9.9

17. 0.28

18. 0.48

19. 0.27

20. 0.49

21. 0.45

22. 0.72

23. 0.9

24. 0.88

25. 0.75

26. 0.16

27. 0.328

28. 0.495

29. 0.72

30. 1.068

answer: 414,377,008

step-by-step explanation:

just multiply it