Circle
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle Calculator.
| ID |
Problem |
Count |
| 1001 | Find the area $ A $ of a circle if diameter $d = 14.7\, \text{mm}$. | 1 |
| 1002 | Find the area $ A $ of a circle if diameter $d = 12.7\, \text{mm}$. | 1 |
| 1003 | Find the area $ A $ of a circle if area $A = 1\, \text{mm}^2$, circumference $C = 1\, \text{mm}$, radius $r = 1\, \text{mm}$ and diameter $d = 1\, \text{mm}$. | 1 |
| 1004 | Find the area $ A $ of a circle if area $A = 1\, \text{mm}^2$, circumference $C = 1\, \text{mm}$, radius $r = 1\, \text{mm}$ and diameter $d = 1\, \text{mm}$. | 1 |
| 1005 | Find the area $ A $ of a circle if area $A = 1\, \text{mm}^2$, circumference $C = 1\, \text{mm}$, radius $r = 1\, \text{mm}$ and diameter $d = 1\, \text{mm}$. | 1 |
| 1006 | Find the diameter $ d $ of a circle if area $A = 0.25\, \text{m}^2$. | 1 |
| 1007 | Find the area $ A $ of a circle if area $A = 6\, \text{mm}^2$. | 1 |
| 1008 | Find the area $ A $ of a circle if circumference $C = 100\, \text{km}$. | 1 |
| 1009 | Find the area $ A $ of a circle if area $A = 380\, \text{in}^2$. | 1 |
| 1010 | Find the area $ A $ of a circle if diameter $d = 54\, \text{mm}$. | 1 |
| 1011 | Find the area $ A $ of a circle if diameter $d = 48\, \text{mm}$. | 1 |
| 1012 | Find the area $ A $ of a circle if area $A = 11\, \text{mm}^2$. | 1 |
| 1013 | Find the area $ A $ of a circle if diameter $d = 33\, \text{in}$. | 1 |
| 1014 | Find the radius $ r $ of a circle if area $A = 66\, \text{dm}^2$ and circumference $C = 40\, \text{cm}$. | 1 |
| 1015 | Find the area $ A $ of a circle if area $A = 1\, \text{mm}^2$, circumference $C = 1\, \text{mm}$, radius $r = 1\, \text{mm}$ and diameter $d = 1\, \text{mm}$. | 1 |
| 1016 | Find the area $ A $ of a circle if diameter $d = 864\, \text{mm}$. | 1 |
| 1017 | Find the area $ A $ of a circle if area $A = 2486357.47\, \text{mm}^2$, circumference $C = 5588.26\, \text{mm}$, radius $r = 889.85\, \text{mm}$ and diameter $d = 1779.7\, \text{mm}$. | 1 |
| 1018 | Find the diameter $ d $ of a circle if area $A = 36$ and diameter $d = 81$. | 1 |
| 1019 | Find the area $ A $ of a circle if radius $r = \frac{ 129 }{ 5 }$. | 1 |
| 1020 | Find the circumference $ C $ of a circle if diameter $d = \frac{ 137 }{ 100 }$. | 1 |
| 1021 | Find the area $ A $ of a circle if circumference $C = \frac{ 251 }{ 8 }$. | 1 |
| 1022 | Find the area $ A $ of a circle if area $A = 36$, circumference $C = 8$, radius $r = 6$ and diameter $d = 12$. | 1 |
| 1023 | Find the radius $ r $ of a circle if circumference $C = 20$. | 1 |
| 1024 | Find the area $ A $ of a circle if radius $r = \frac{ 6231 }{ 25 }$. | 1 |
| 1025 | Find the area $ A $ of a circle if radius $r = 63$. | 1 |
| 1026 | Find the area $ A $ of a circle if circumference $C = 110$ and radius $r = 20$. | 1 |
| 1027 | Find the area $ A $ of a circle if radius $r = 1$. | 1 |
| 1028 | Find the area $ A $ of a circle if diameter $d = 25$. | 1 |
| 1029 | Find the radius $ r $ of a circle if area $A = 354$. | 1 |
| 1030 | Find the area $ A $ of a circle if area $A = 2573$. | 1 |
| 1031 | Find the radius $ r $ of a circle if area $A = \frac{ 2573 }{ 100 }$. | 1 |
| 1032 | Find the area $ A $ of a circle if diameter $d = \frac{ 51 }{ 5 }$. | 1 |
| 1033 | Find the diameter $ d $ of a circle if circumference $C = \frac{ 609 }{ 10 }$. | 1 |
| 1034 | Find the diameter $ d $ of a circle if circumference $C = \frac{ 38 }{ 5 }$. | 1 |
| 1035 | Find the diameter $ d $ of a circle if circumference $C = \frac{ 197 }{ 10 }$. | 1 |
| 1036 | Find the radius $ r $ of a circle if circumference $C = \frac{ 609 }{ 10 }$. | 1 |
| 1037 | Find the radius $ r $ of a circle if circumference $C = 19$. | 1 |
| 1038 | Find the radius $ r $ of a circle if circumference $C = \frac{ 197 }{ 10 }$. | 1 |
| 1039 | Find the area $ A $ of a circle if circumference $C = 18$. | 1 |
| 1040 | Find the area $ A $ of a circle if radius $r = \frac{ 1 }{ 2 }$. | 1 |
| 1041 | Find the area $ A $ of a circle if area $A = 20$, radius $r = 5$ and diameter $d = 10$. | 1 |
| 1042 | Find the area $ A $ of a circle if area $A = 4$, circumference $C = 5$, radius $r = 5$ and diameter $d = 6$. | 1 |
| 1043 | Find the radius $ r $ of a circle if area $A = 430$, circumference $C = 6\pi$, radius $r = \frac{ 11 }{ 2 }$ and diameter $d = 60$. | 1 |
| 1044 | Find the radius $ r $ of a circle if circumference $C = 430$. | 1 |
| 1045 | Find the area $ A $ of a circle if circumference $C = \frac{ 475 }{ 4 }$ and radius $r = \frac{ 1428 }{ 5 }$. | 1 |
| 1046 | Find the area $ A $ of a circle if area $A = 50$, circumference $C = 56$, radius $r = 3$ and diameter $d = 20$. | 1 |
| 1047 | Find the area $ A $ of a circle if circumference $C = 56$, radius $r = 3$ and diameter $d = 20$. | 1 |
| 1048 | Find the radius $ r $ of a circle if circumference $C = 56$, radius $r = 3$ and diameter $d = 20$. | 1 |
| 1049 | Find the area $ A $ of a circle if radius $r = 48$ and diameter $d = 96$. | 1 |
| 1050 | Find the diameter $ d $ of a circle if diameter $d = \frac{ 49 }{ 50 }$. | 1 |
