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
251	Find the area $ A $ of a circle if radius $r = 129\, \text{in}$.	3
252	Find the area $ A $ of a circle if circumference $C = 30\, \text{ft}$.	3
253	Find the area $ A $ of a circle if radius $r = 10.5\, \text{ft}$ and diameter $d = 16\, \text{ft}$.	3
254	Find the area $ A $ of a circle if diameter $d = 80\, \text{mm}$.	3
255	Find the area $ A $ of a circle if radius $r = 16\, \text{mm}$.	3
256	Find the area $ A $ of a circle if diameter $d = 56\, \text{mm}$.	3
257	Find the area $ A $ of a circle if area $A = 10$, circumference $C = \frac{ 157 }{ 50 }$, radius $r = 5$ and diameter $d = 2$.	3
258	Find the area $ A $ of a circle if circumference $C = 474\, \text{mm}$.	3
259	Find the area $ A $ of a circle if radius $r = 6\, \text{ft}$.	3
260	Find the radius $ r $ of a circle if area $A = 430$.	3
261	Find the area $ A $ of a circle if diameter $d = 600\, \text{mm}$.	3
262	Find the area $ A $ of a circle if diameter $d = 6\, \text{in}$.	3
263	Find the area $ A $ of a circle if radius $r = 13.1\, \text{in}$.	2
264	Find the diameter $ d $ of a circle if radius $r = 10\, \text{m}$.	2
265	Find the radius $ r $ of a circle if circumference $C = \frac{ 38 }{ 5 }$.	2
266	Find the diameter $ d $ of a circle if diameter $d = \frac{ 51 }{ 5 }$.	2
267	Find the area $ A $ of a circle if diameter $d = 5\, \text{mm}$.	2
268	Find the area $ A $ of a circle if circumference $C = 16\, \text{mm}$.	2
269	Find the area $ A $ of a circle if radius $r = \frac{ 51 }{ 5 }$.	2
270	Find the area $ A $ of a circle if diameter $d = 258.722\, \text{mm}$.	2
271	Find the area $ A $ of a circle if area $A = 100\, \text{mm}^2$, circumference $C = 27\, \text{ft}$, radius $r = 134\, \text{mm}$ and diameter $d = 58\, \text{mi}$.	2
272	Find the area $ A $ of a circle if radius $r = 12\, \text{mm}$.	2
273	Find the area $ A $ of a circle if diameter $d = 0.8\, \text{m}$.	2
274	Find the area $ A $ of a circle if circumference $C = 5\, \text{in}$.	2
275	Find the area $ A $ of a circle if area $A = 20\, \text{mm}^2$.	2
276	Find the area $ A $ of a circle if circumference $C = 18.5\, \text{mm}$.	2
277	Find the area $ A $ of a circle if diameter $d = 4\, \text{mm}$.	2
278	Find the area $ A $ of a circle if radius $r = 7\, \text{in}$.	2
279	Find the circumference $ C $ of a circle if radius $r = 7$.	2
280	Find the area $ A $ of a circle if radius $r = 1.5\, \text{ft}$.	2
281	Find the area $ A $ of a circle if radius $r = 1.5\, \text{mi}$.	2
282	Find the area $ A $ of a circle if diameter $d = 6\, \text{mm}$.	2
283	Find the circumference $ C $ of a circle if radius $r = 5\, \text{cm}$.	2
284	Find the area $ A $ of a circle if diameter $d = 126.7\, \text{mm}$.	2
285	Find the area $ A $ of a circle if diameter $d = 0.38\, \text{in}$.	2
286	Find the area $ A $ of a circle if diameter $d = 0.5\, \text{in}$.	2
287	Find the area $ A $ of a circle if radius $r = 5\, \text{ft}$ and diameter $d = 10\, \text{ft}$.	2
288	Find the area $ A $ of a circle if diameter $d = 803.2\, \text{in}$.	2
289	Find the area $ A $ of a circle if area $A = 452.2\, \text{in}^2$.	2
290	Find the area $ A $ of a circle if circumference $C = 55\, \text{mm}$.	2
291	Find the circumference $ C $ of a circle if diameter $d = 7.5\, \text{cm}$.	2
292	Find the area $ A $ of a circle if circumference $C = 6.4\, \text{in}$.	2
293	Find the area $ A $ of a circle if diameter $d = 40\, \text{ft}$.	2
294	Find the area $ A $ of a circle if circumference $C = 6.4\, \text{mm}$.	2
295	Find the area $ A $ of a circle if diameter $d = 914\, \text{mm}$.	2
296	Find the area $ A $ of a circle if radius $r = 50\, \text{m}$.	2
297	Find the area $ A $ of a circle if diameter $d = 1000\, \text{mm}$.	2
298	Find the area $ A $ of a circle if diameter $d = 60\, \text{in}$.	2
299	Find the area $ A $ of a circle if circumference $C = 19\, \text{in}$, radius $r = 32\, \text{in}$ and diameter $d = 96\, \text{in}$.	2
300	Find the area $ A $ of a circle if area $A = 19\, \text{in}^2$, radius $r = 32\, \text{in}$ and diameter $d = 96\, \text{in}$.	2