Results
#1. Circumference formula =?
#2. Area of circle =?
#3. Area of a circle with radius 14 cm (π = 22/7) =?
#4. Circumference of a circle with radius 7 cm =?
#5. Radius = 14 cm. Circumference =?
#6. Radius = 7 cm. Area =?
#7. Diameter = 28 cm. Area =?
#8. Length of arc of a semicircle (r = 7 cm) =?
#9. Area of a semicircle (r = 14 cm) =?
#10. Area of circle (r = 21 cm) =?
#11. Circumference (r = 21 cm) =?
#12. Area of ring (R = 14, r = 7) =?
#13. Perimeter of circle (r = 14) =?
#14. Area of circle (r = 7 cm, π = 22/7) =?
#15. Circumference of circle (r = 7 cm) =?
#16. Area of circle (r = 14) =?
#17. Circumference (r = 14) =?
#18. Circumference (r = 10) =?
#19. Area of circle (r = 10) =?
#20. Circumference (r = 14) =?
#21. Area of circle (r = 21) =?
#22. Circumference (r = 21) =?
#23. Area of circle (r = 7) =?
#24. Radius of circle is 14 cm. Diameter =?
#25. Circumference of circle = 44 cm. Radius =?
#26. Area of circle = 154 cm². Radius =?
#27. Area of semicircle (r = 7 cm) =?
#28. Perimeter of semicircle (r = 7 cm) =?
#29. Area of Circle (r = 7) ≈?
#30. Area of circle increases with square of:
