Circle
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle Calculator.
| ID |
Problem |
Count |
| 101 | Find the area $ A $ of a circle if radius $r = 9.5\, \text{mm}$ and diameter $d = 19\, \text{mm}$. | 4 |
| 102 | Find the area $ A $ of a circle if diameter $d = 21\, \text{mm}$. | 4 |
| 103 | Find the area $ A $ of a circle if diameter $d = 100\, \text{mm}$. | 4 |
| 104 | Find the area $ A $ of a circle if diameter $d = 40\, \text{mm}$. | 4 |
| 105 | Find the area $ A $ of a circle if area $A = \frac{ 7693 }{ 2500 }$ and diameter $d = \frac{ 49 }{ 50 }$. | 4 |
| 106 | Find the area $ A $ of a circle if radius $r = 6\, \text{cm}$. | 4 |
| 107 | Find the area $ A $ of a circle if circumference $C = 6\, \text{in}$. | 4 |
| 108 | Find the area $ A $ of a circle if radius $r = 5\, \text{mm}$ and diameter $d = 10\, \text{mm}$. | 4 |
| 109 | Find the area $ A $ of a circle if diameter $d = 13\, \text{cm}$. | 4 |
| 110 | Find the area $ A $ of a circle if diameter $d = 4\, \text{ft}$. | 4 |
| 111 | Find the area $ A $ of a circle if area $A = 50\, \text{ft}^2$. | 4 |
| 112 | Find the diameter $ d $ of a circle if diameter $d = 660\, \text{cm}$. | 4 |
| 113 | Find the area $ A $ of a circle if area $A = 16\, \text{mm}^2$. | 4 |
| 114 | Find the area $ A $ of a circle if circumference $C = 16\, \text{in}$. | 4 |
| 115 | Find the area $ A $ of a circle if radius $r = 3930\, \text{mm}$. | 4 |
| 116 | Find the radius $ r $ of a circle if diameter $d = 26$. | 4 |
| 117 | Find the area $ A $ of a circle if radius $r = 45\, \text{in}$. | 4 |
| 118 | Find the area $ A $ of a circle if radius $r = 3\, \text{mm}$. | 4 |
| 119 | Find the area $ A $ of a circle if radius $r = 7\, \text{mm}$. | 4 |
| 120 | Find the area $ A $ of a circle if circumference $C = 62.8\, \text{mm}$. | 3 |
| 121 | Find the area $ A $ of a circle if diameter $d = 18\, \text{mm}$. | 3 |
| 122 | Find the area $ A $ of a circle if diameter $d = 600\, \text{mm}$. | 3 |
| 123 | Find the area $ A $ of a circle if radius $r = 4.625\, \text{in}$ and diameter $d = 48\, \text{in}$. | 3 |
| 124 | Find the area $ A $ of a circle if diameter $d = 80\, \text{mm}$. | 3 |
| 125 | Find the area $ A $ of a circle if circumference $C = 30\, \text{ft}$. | 3 |
| 126 | Find the area $ A $ of a circle if radius $r = 6\, \text{in}$. | 3 |
| 127 | Find the area $ A $ of a circle if diameter $d = 22.5\, \text{mm}$. | 3 |
| 128 | Find the area $ A $ of a circle if radius $r = 1\, \text{mm}$. | 3 |
| 129 | Find the area $ A $ of a circle if area $A = 415\, \text{in}^2$, radius $r = 11.5\, \text{mm}$ and diameter $d = 23\, \text{in}$. | 3 |
| 130 | Find the area $ A $ of a circle if area $A = 3\, \text{mm}^2$. | 3 |
| 131 | Find the area $ A $ of a circle if diameter $d = 6.875\, \text{in}$. | 3 |
| 132 | Find the area $ A $ of a circle if radius $r = 8\, \text{in}$ and diameter $d = 16\, \text{in}$. | 3 |
| 133 | Find the area $ A $ of a circle if diameter $d = 6\, \text{in}$. | 3 |
| 134 | Find the area $ A $ of a circle if radius $r = 52\, \text{mm}$. | 3 |
| 135 | Find the area $ A $ of a circle if diameter $d = 1.5\, \text{in}$. | 3 |
| 136 | Find the radius $ r $ of a circle if area $A = 430$. | 3 |
| 137 | Find the area $ A $ of a circle if radius $r = 129\, \text{in}$. | 3 |
| 138 | Find the area $ A $ of a circle if circumference $C = 40\, \text{ft}$. | 3 |
| 139 | Find the area $ A $ of a circle if diameter $d = 56\, \text{mm}$. | 3 |
| 140 | Find the area $ A $ of a circle if area $A = 10$, circumference $C = \frac{ 157 }{ 50 }$, radius $r = 5$ and diameter $d = 2$. | 3 |
| 141 | Find the area $ A $ of a circle if diameter $d = 21\, \text{ft}$. | 3 |
| 142 | Find the area $ A $ of a circle if circumference $C = 102\, \text{in}$. | 3 |
| 143 | Find the area $ A $ of a circle if diameter $d = 7\, \text{in}$. | 3 |
| 144 | Find the area $ A $ of a circle if radius $r = 11.5\, \text{mm}$ and diameter $d = 23\, \text{in}$. | 3 |
| 145 | Find the area $ A $ of a circle if diameter $d = 2.8284\, \text{ft}$. | 3 |
| 146 | Find the area $ A $ of a circle if radius $r = 10.5\, \text{ft}$ and diameter $d = 16\, \text{ft}$. | 3 |
| 147 | Find the area $ A $ of a circle if radius $r = 4.625\, \text{in}$ and diameter $d = 48\, \text{in}$. | 3 |
| 148 | Find the circumference $ C $ of a circle if circumference $C = 26\, \text{cm}$. | 3 |
| 149 | Find the area $ A $ of a circle if circumference $C = 222.25\, \text{in}$. | 3 |
| 150 | Find the area $ A $ of a circle if diameter $d = 1.2\, \text{m}$. | 3 |
