Circle
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle Calculator.
| ID |
Problem |
Count |
| 151 | Find the area $ A $ of a circle if area $A = 17430625\, \text{mm}^2$. | 3 |
| 152 | Find the area $ A $ of a circle if circumference $C = 24030\, \text{mm}$. | 3 |
| 153 | Find the area $ A $ of a circle if circumference $C = 0.5\, \text{in}$. | 3 |
| 154 | Find the area $ A $ of a circle if diameter $d = 32\, \text{mm}$. | 3 |
| 155 | Find the area $ A $ of a circle if circumference $C = 8\, \text{in}$. | 3 |
| 156 | Find the area $ A $ of a circle if circumference $C = 12\, \text{in}$. | 3 |
| 157 | Find the circumference $ C $ of a circle if area $A = 201\, \text{cm}^2$ and radius $r = 3\, \text{cm}$. | 3 |
| 158 | Find the area $ A $ of a circle if area $A = 3\, \text{mm}^2$. | 3 |
| 159 | Find the area $ A $ of a circle if diameter $d = 8\, \text{mm}$. | 3 |
| 160 | Find the area $ A $ of a circle if radius $r = 5.5\, \text{in}$. | 3 |
| 161 | Find the area $ A $ of a circle if circumference $C = 62.8\, \text{mm}$. | 3 |
| 162 | Find the area $ A $ of a circle if diameter $d = 600\, \text{mm}$. | 3 |
| 163 | Find the area $ A $ of a circle if diameter $d = 3\, \text{mm}$. | 3 |
| 164 | Find the area $ A $ of a circle if radius $r = 120\, \text{mm}$. | 3 |
| 165 | Find the radius $ r $ of a circle if area $A = 430$. | 3 |
| 166 | Find the area $ A $ of a circle if diameter $d = 0.375\, \text{in}$. | 3 |
| 167 | Find the area $ A $ of a circle if diameter $d = 56\, \text{mm}$. | 3 |
| 168 | Find the area $ A $ of a circle if radius $r = 120\, \text{m}$. | 3 |
| 169 | Find the area $ A $ of a circle if diameter $d = 80\, \text{mm}$. | 3 |
| 170 | Find the area $ A $ of a circle if radius $r = 1\, \text{mm}$. | 3 |
| 171 | Find the area $ A $ of a circle if diameter $d = 7\, \text{in}$. | 3 |
| 172 | Find the area $ A $ of a circle if area $A = 10$, circumference $C = \frac{ 157 }{ 50 }$, radius $r = 5$ and diameter $d = 2$. | 3 |
| 173 | Find the area $ A $ of a circle if radius $r = 129\, \text{in}$. | 3 |
| 174 | Find the area $ A $ of a circle if diameter $d = 21\, \text{ft}$. | 3 |
| 175 | Find the area $ A $ of a circle if area $A = 20\, \text{km}^2$. | 3 |
| 176 | Find the area $ A $ of a circle if area $A = 50\, \text{in}^2$, circumference $C = 25.06\, \text{mm}$, radius $r = 3.99\, \text{mm}$ and diameter $d = 7.98\, \text{in}$. | 3 |
| 177 | Find the area $ A $ of a circle if circumference $C = 10000\, \text{mm}$. | 3 |
| 178 | Find the area $ A $ of a circle if diameter $d = 6.4\, \text{cm}$. | 3 |
| 179 | Find the area $ A $ of a circle if circumference $C = 26\, \text{mm}$. | 3 |
| 180 | Find the circumference $ C $ of a circle if radius $r = 8$. | 3 |
| 181 | Find the area $ A $ of a circle if diameter $d = 1.2\, \text{m}$. | 3 |
| 182 | Find the area $ A $ of a circle if radius $r = 4.625\, \text{in}$ and diameter $d = 48\, \text{in}$. | 3 |
| 183 | Find the area $ A $ of a circle if radius $r = 4.625\, \text{in}$ and diameter $d = 48\, \text{in}$. | 3 |
| 184 | Find the area $ A $ of a circle if diameter $d = 2.8284\, \text{ft}$. | 3 |
| 185 | Find the radius $ r $ of a circle if radius $r = 6$. | 3 |
| 186 | Find the area $ A $ of a circle if radius $r = 37\, \text{ft}$. | 3 |
| 187 | Find the area $ A $ of a circle if radius $r = 52\, \text{mm}$. | 3 |
| 188 | Find the area $ A $ of a circle if ???. | 3 |
| 189 | Find the area $ A $ of a circle if radius $r = \frac{ 25 }{ 2 }$. | 3 |
| 190 | Find the area $ A $ of a circle if area $A = \frac{ 5447 }{ 50 }$. | 3 |
| 191 | Find the area $ A $ of a circle if area $A = 152\, \text{mm}^2$. | 3 |
| 192 | Find the circumference $ C $ of a circle if circumference $C = 26\, \text{cm}$. | 3 |
| 193 | Find the circumference $ C $ of a circle if diameter $d = 1200$. | 3 |
| 194 | Find the area $ A $ of a circle if circumference $C = 5$. | 3 |
| 195 | Find the area $ A $ of a circle if radius $r = 35\, \text{mm}$. | 3 |
| 196 | Find the area $ A $ of a circle if diameter $d = 18\, \text{mm}$. | 3 |
| 197 | Find the area $ A $ of a circle if radius $r = 20\, \text{mm}$. | 3 |
| 198 | Find the area $ A $ of a circle if circumference $C = 222.25\, \text{in}$. | 3 |
| 199 | Find the area $ A $ of a circle if circumference $C = 30\, \text{ft}$. | 3 |
| 200 | Find the area $ A $ of a circle if diameter $d = 6.875\, \text{in}$. | 3 |
