Circle
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle Calculator.
| ID |
Problem |
Count |
| 801 | Find the area $ A $ of a circle if diameter $d = 3\, \text{in}$. | 1 |
| 802 | Find the area $ A $ of a circle if area $A = 9\, \text{mm}^2$, circumference $C = 80\, \text{mm}$, radius $r = 7\, \text{mm}$ and diameter $d = 8\, \text{mm}$. | 1 |
| 803 | Find the area $ A $ of a circle if area $A = 16\pi\, \text{mm}^2$. | 1 |
| 804 | Find the area $ A $ of a circle if radius $r = \frac{ 7 }{ 4 }\, \text{mm}$. | 1 |
| 805 | Find the area $ A $ of a circle if area $A = 2\, \text{mm}^2$, circumference $C = 3\, \text{mm}$ and diameter $d = 4\, \text{mm}$. | 1 |
| 806 | Find the area $ A $ of a circle if area $A = 70\, \text{in}^2$ and diameter $d = 23\, \text{in}$. | 1 |
| 807 | Find the area $ A $ of a circle if radius $r = \frac{ 11 }{ 2 }\, \text{in}$. | 1 |
| 808 | Find the area $ A $ of a circle if radius $r = 1.55\, \text{in}$. | 1 |
| 809 | Find the area $ A $ of a circle if radius $r = 4\, \text{ft}$. | 1 |
| 810 | Find the area $ A $ of a circle if area $A = 54\, \text{mm}^2$. | 1 |
| 811 | Find the area $ A $ of a circle if area $A = 54\, \text{mm}^2$. | 1 |
| 812 | Find the area $ A $ of a circle if circumference $C = 18\pi\, \text{mm}$. | 1 |
| 813 | Find the area $ A $ of a circle if circumference $C = 18.84\, \text{yd}$ and diameter $d = 6\, \text{yd}$. | 1 |
| 814 | Find the circumference $ C $ of a circle if radius $r = 9\, \text{cm}$. | 1 |
| 815 | Find the circumference $ C $ of a circle if radius $r = 6\, \text{cm}$. | 1 |
| 816 | Find the circumference $ C $ of a circle if area $A = 100\pi\, \text{cm}^2$. | 1 |
| 817 | Find the area $ A $ of a circle if radius $r = 1\, \text{mm}$. | 1 |
| 818 | Find the area $ A $ of a circle if area $A = 13.75\, \text{in}^2$. | 1 |
| 819 | Find the area $ A $ of a circle if circumference $C = 13.75\, \text{in}$. | 1 |
| 820 | Find the diameter $ d $ of a circle if area $A = 34\, \text{m}^2$, circumference $C = 37\, \text{cm}$ and radius $r = 7\, \text{cm}$. | 1 |
| 821 | Find the area $ A $ of a circle if radius $r = 11.5\, \text{mm}$. | 1 |
| 822 | Find the area $ A $ of a circle if circumference $C = 18.1\, \text{in}$. | 1 |
| 823 | Find the area $ A $ of a circle if circumference $C = 18.1\, \text{in}$. | 1 |
| 824 | Find the area $ A $ of a circle if radius $r = 2\, \text{m}$. | 1 |
| 825 | Find the area $ A $ of a circle if circumference $C = 222.25\, \text{in}$. | 1 |
| 826 | Find the area $ A $ of a circle if diameter $d = 24\, \text{in}$. | 1 |
| 827 | Find the area $ A $ of a circle if diameter $d = 24\, \text{in}$. | 1 |
| 828 | Find the area $ A $ of a circle if area $A = 1\, \text{mm}^2$ and diameter $d = 500\, \text{mm}$. | 1 |
| 829 | Find the area $ A $ of a circle if radius $r = 520\, \text{mm}$. | 1 |
| 830 | Find the area $ A $ of a circle if area $A = 360\, \text{mm}^2$ and diameter $d = 180\, \text{mm}$. | 1 |
| 831 | Find the area $ A $ of a circle if area $A = 199.04\, \text{mm}^2$, circumference $C = 50\, \text{cm}$, radius $r = 7.96\, \text{mm}$ and diameter $d = 15.92\, \text{in}$. | 1 |
| 832 | Find the area $ A $ of a circle if diameter $d = 44\, \text{ft}$. | 1 |
| 833 | Find the area $ A $ of a circle if area $A = 48.5\, \text{mm}^2$. | 1 |
| 834 | Find the area $ A $ of a circle if diameter $d = 48.5\, \text{mm}$. | 1 |
| 835 | Find the area $ A $ of a circle if circumference $C = 13.35\, \text{cm}$. | 1 |
| 836 | Find the area $ A $ of a circle if diameter $d = 18\, \text{mm}$. | 1 |
| 837 | Find the area $ A $ of a circle if diameter $d = 24\, \text{mm}$. | 1 |
| 838 | Find the circumference $ C $ of a circle if circumference $C = 26\, \text{cm}$. | 1 |
| 839 | Find the circumference $ C $ of a circle if circumference $C = 26\, \text{cm}$. | 1 |
| 840 | Find the circumference $ C $ of a circle if area $A = 53.82\, \text{cm}^2$, circumference $C = 26\, \text{cm}$, radius $r = 4.14\, \text{mm}$ and diameter $d = 8.28\, \text{cm}$. | 1 |
| 841 | Find the area $ A $ of a circle if radius $r = 8.5\, \text{cm}$ and diameter $d = 16\, \text{cm}$. | 1 |
| 842 | Find the area $ A $ of a circle if radius $r = 8.5\, \text{cm}$. | 1 |
| 843 | Find the area $ A $ of a circle if area $A = 128\, \text{mm}^2$. | 1 |
| 844 | Find the area $ A $ of a circle if circumference $C = 150\, \text{ft}$. | 1 |
| 845 | Find the area $ A $ of a circle if radius $r = 4000\, \text{mm}$. | 1 |
| 846 | Find the area $ A $ of a circle if radius $r = 4000\, \text{mi}$. | 1 |
| 847 | Find the area $ A $ of a circle if diameter $d = 1500\, \text{mm}$. | 1 |
| 848 | Find the area $ A $ of a circle if radius $r = 750\, \text{mm}$ and diameter $d = 1500\, \text{mm}$. | 1 |
| 849 | Find the circumference $ C $ of a circle if diameter $d = 4.3\, \text{cm}$. | 1 |
| 850 | Find the area $ A $ of a circle if radius $r = 37.5\, \text{mm}$. | 1 |
