Circle

(the database of solved problems)

All the problems and solutions shown below were generated using the Circle Calculator.

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ID	Problem	Count
201	Find the area $ A $ of a circle if radius $r = 52\, \text{mm}$.	3
202	Find the area $ A $ of a circle if radius $r = 37\, \text{ft}$.	3
203	Find the area $ A $ of a circle if diameter $d = 2.8284\, \text{ft}$.	3
204	Find the area $ A $ of a circle if radius $r = 4.625\, \text{in}$ and diameter $d = 48\, \text{in}$.	3
205	Find the area $ A $ of a circle if radius $r = 4.625\, \text{in}$ and diameter $d = 48\, \text{in}$.	3
206	Find the area $ A $ of a circle if diameter $d = 21\, \text{ft}$.	3
207	Find the area $ A $ of a circle if radius $r = 129\, \text{in}$.	3
208	Find the area $ A $ of a circle if diameter $d = 7\, \text{in}$.	3
209	Find the area $ A $ of a circle if radius $r = 1\, \text{mm}$.	3
210	Find the area $ A $ of a circle if diameter $d = 80\, \text{mm}$.	3
211	Find the area $ A $ of a circle if diameter $d = 56\, \text{mm}$.	3
212	Find the area $ A $ of a circle if diameter $d = 600\, \text{mm}$.	3
213	Find the area $ A $ of a circle if circumference $C = 62.8\, \text{mm}$.	3
214	Find the area $ A $ of a circle if area $A = 3\, \text{mm}^2$.	3
215	Find the area $ A $ of a circle if area $A = 100\, \text{mm}^2$.	3
216	Find the area $ A $ of a circle if circumference $C = 40\, \text{ft}$.	3
217	Find the area $ A $ of a circle if radius $r = 7\, \text{in}$.	2
218	Find the circumference $ C $ of a circle if diameter $d = 7.5\, \text{cm}$.	2
219	Find the area $ A $ of a circle if circumference $C = 6.5\, \text{in}$.	2
220	Find the radius $ r $ of a circle if area $A = 10$.	2
221	Find the area $ A $ of a circle if diameter $d = 1000\, \text{mm}$.	2
222	Find the area $ A $ of a circle if circumference $C = 21\, \text{cm}$.	2
223	Find the area $ A $ of a circle if area $A = 1450\, \text{mm}^2$.	2
224	Find the area $ A $ of a circle if ???.	2
225	Find the area $ A $ of a circle if radius $r = 16\, \text{km}$ and diameter $d = 32\, \text{km}$.	2
226	Find the area $ A $ of a circle if diameter $d = 32\, \text{km}$.	2
227	Find the area $ A $ of a circle if circumference $C = 94.2\, \text{ft}$, radius $r = 15\, \text{ft}$ and diameter $d = 30\, \text{ft}$.	2
228	Find the diameter $ d $ of a circle if radius $r = 37.6\, \text{cm}$.	2
229	Find the area $ A $ of a circle if radius $r = 299.2113\, \text{mm}$.	2
230	Find the area $ A $ of a circle if radius $r = 120\, \text{m}$.	2
231	Find the area $ A $ of a circle if radius $r = 120\, \text{m}$.	2
232	Find the diameter $ d $ of a circle if radius $r = 120\, \text{m}$.	2
233	Find the diameter $ d $ of a circle if radius $r = 120\, \text{m}$.	2
234	Find the area $ A $ of a circle if radius $r = 120\, \text{m}$.	2
235	Find the area $ A $ of a circle if diameter $d = 88\, \text{mm}$.	2
236	Find the area $ A $ of a circle if diameter $d = 16\, \text{cm}$.	2
237	Find the area $ A $ of a circle if area $A = 20\, \text{mm}^2$.	2
238	Find the area $ A $ of a circle if area $A = 9333\, \text{mm}^2$.	2
239	Find the area $ A $ of a circle if area $A = 15\, \text{mm}^2$.	2
240	Find the area $ A $ of a circle if area $A = 50\, \text{in}^2$.	2
241	Find the circumference $ C $ of a circle if radius $r = 63$.	2
242	Find the area $ A $ of a circle if circumference $C = 4\, \text{mm}$, radius $r = 2\, \text{mm}$ and diameter $d = 3\, \text{mm}$.	2
243	Find the area $ A $ of a circle if area $A = 900\, \text{mm}^2$ and circumference $C = 1290\, \text{mm}$.	2
244	Find the area $ A $ of a circle if radius $r = 6\, \text{mm}$.	2
245	Find the area $ A $ of a circle if area $A = 36\, \text{mm}^2$ and radius $r = 6\, \text{mm}$.	2
246	Find the area $ A $ of a circle if radius $r = \sqrt{ 13 }\, \text{mm}$.	2
247	Find the area $ A $ of a circle if circumference $C = 158\, \text{m}$.	2
248	Find the area $ A $ of a circle if diameter $d = \frac{ 81 }{ 2 }\, \text{mm}$.	2
249	Find the area $ A $ of a circle if radius $r = 4\, \text{mm}$.	2
250	Find the area $ A $ of a circle if diameter $d = 50\, \text{cm}$.	2