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 diameter $d = 36.5\, \text{mm}$.	2
202	Find the area $ A $ of a circle if radius $r = 36.5\, \text{mm}$.	2
203	Find the area $ A $ of a circle if circumference $C = 12\, \text{cm}$.	2
204	Find the area $ A $ of a circle if diameter $d = 13\, \text{cm}$.	2
205	Find the area $ A $ of a circle if radius $r = 44.78\, \text{in}$.	2
206	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
207	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
208	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
209	Find the area $ A $ of a circle if radius $r = 10\, \text{mm}$.	2
210	Find the area $ A $ of a circle if radius $r = 26\, \text{mm}$ and diameter $d = 52\, \text{m}$.	2
211	Find the area $ A $ of a circle if area $A = 5\, \text{mm}^2$, circumference $C = 3\, \text{mm}$ and radius $r = 9\, \text{mm}$.	2
212	Find the area $ A $ of a circle if area $A = 5\, \text{mm}^2$, circumference $C = 3\, \text{yd}$ and radius $r = 9\, \text{mm}$.	2
213	Find the area $ A $ of a circle if circumference $C = 86\pi\, \text{m}$.	2
214	Find the area $ A $ of a circle if circumference $C = 86\, \text{m}$.	2
215	Find the area $ A $ of a circle if area $A = 3.14\, \text{mm}^2$ and diameter $d = 2\, \text{mm}$.	2
216	Find the area $ A $ of a circle if area $A = 3.14\, \text{mm}^2$, radius $r = 8\, \text{cm}$ and diameter $d = 2\, \text{mm}$.	2
217	Find the area $ A $ of a circle if circumference $C = 10.5\, \text{in}$.	2
218	Find the area $ A $ of a circle if circumference $C = 10.5\, \text{in}$.	2
219	Find the area $ A $ of a circle if circumference $C = 16\, \text{in}$.	2
220	Find the area $ A $ of a circle if radius $r = 40\, \text{mm}$.	2
221	Find the area $ A $ of a circle if diameter $d = 47\, \text{mm}$.	2
222	Find the area $ A $ of a circle if circumference $C = 146\, \text{mm}$.	2
223	Find the area $ A $ of a circle if area $A = 43\, \text{in}^2$ and circumference $C = 43\, \text{in}$.	2
224	Find the area $ A $ of a circle if circumference $C = 6.4\, \text{in}$.	2
225	Find the area $ A $ of a circle if area $A = 452.2\, \text{in}^2$.	2
226	Find the circumference $ C $ of a circle if diameter $d = 7.5\, \text{cm}$.	2
227	Find the area $ A $ of a circle if circumference $C = 6.5\, \text{in}$.	2
228	Find the area $ A $ of a circle if diameter $d = 1000\, \text{mm}$.	2
229	Find the area $ A $ of a circle if circumference $C = 21\, \text{cm}$.	2
230	Find the area $ A $ of a circle if area $A = 1450\, \text{mm}^2$.	2
231	Find the area $ A $ of a circle if ???.	2
232	Find the area $ A $ of a circle if radius $r = 16\, \text{km}$ and diameter $d = 32\, \text{km}$.	2
233	Find the area $ A $ of a circle if diameter $d = 32\, \text{km}$.	2
234	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
235	Find the diameter $ d $ of a circle if radius $r = 37.6\, \text{cm}$.	2
236	Find the area $ A $ of a circle if radius $r = 299.2113\, \text{mm}$.	2
237	Find the area $ A $ of a circle if radius $r = 120\, \text{m}$.	2
238	Find the area $ A $ of a circle if radius $r = 120\, \text{m}$.	2
239	Find the diameter $ d $ of a circle if radius $r = 120\, \text{m}$.	2
240	Find the diameter $ d $ of a circle if radius $r = 120\, \text{m}$.	2
241	Find the area $ A $ of a circle if radius $r = 120\, \text{m}$.	2
242	Find the area $ A $ of a circle if diameter $d = 88\, \text{mm}$.	2
243	Find the area $ A $ of a circle if diameter $d = 16\, \text{cm}$.	2
244	Find the area $ A $ of a circle if area $A = 20\, \text{mm}^2$.	2
245	Find the area $ A $ of a circle if area $A = 9333\, \text{mm}^2$.	2
246	Find the area $ A $ of a circle if radius $r = 7\, \text{mm}$.	2
247	Find the area $ A $ of a circle if area $A = 15\, \text{mm}^2$.	2
248	Find the area $ A $ of a circle if area $A = 50\, \text{in}^2$.	2
249	Find the circumference $ C $ of a circle if radius $r = 63$.	2
250	Find the radius $ r $ of a circle if circumference $C = 24$.	2