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
301	Find the diameter $ d $ of a circle if diameter $d = 660\, \text{cm}$.	2
302	Find the area $ A $ of a circle if circumference $C = 5\, \text{in}$.	2
303	Find the area $ A $ of a circle if diameter $d = 13\pi\, \text{mm}$.	2
304	Find the area $ A $ of a circle if radius $r = 31.05\, \text{mm}$.	2
305	Find the area $ A $ of a circle if diameter $d = 1800\, \text{mm}$.	2
306	Find the area $ A $ of a circle if area $A = 100\, \text{mm}^2$, radius $r = 3\, \text{mm}$ and diameter $d = 6\, \text{mm}$.	2
307	Find the area $ A $ of a circle if area $A = 210\, \text{in}^2$.	2
308	Find the area $ A $ of a circle if radius $r = 4\, \text{mm}$.	2
309	Find the area $ A $ of a circle if diameter $d = 88\, \text{cm}$.	2
310	Find the area $ A $ of a circle if diameter $d = 20\, \text{ft}$.	2
311	Find the area $ A $ of a circle if diameter $d = 24\, \text{mm}$.	2
312	Find the area $ A $ of a circle if diameter $d = 24\, \text{m}$.	2
313	Find the area $ A $ of a circle if diameter $d = 24\, \text{m}$.	2
314	Find the area $ A $ of a circle if area $A = 2\pi\, \text{mm}^2$, circumference $C = \sqrt{ 9 }\, \text{mm}$, radius $r = 9\, \text{mm}$ and diameter $d = 4.3443\, \text{mm}$.	2
315	Find the circumference $ C $ of a circle if radius $r = 14\, \text{ft}$.	2
316	Find the circumference $ C $ of a circle if circumference $C = 19\, \text{in}$.	2
317	Find the circumference $ C $ of a circle if diameter $d = 26\, \text{cm}$.	2
318	Find the area $ A $ of a circle if circumference $C = 16\, \text{ft}$.	2
319	Find the area $ A $ of a circle if diameter $d = 36.5\, \text{mm}$.	2
320	Find the area $ A $ of a circle if radius $r = 36.5\, \text{mm}$.	2
321	Find the area $ A $ of a circle if circumference $C = 12\, \text{cm}$.	2
322	Find the area $ A $ of a circle if radius $r = 44.78\, \text{in}$.	2
323	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
324	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
325	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
326	Find the area $ A $ of a circle if radius $r = 10\, \text{mm}$.	2
327	Find the area $ A $ of a circle if radius $r = 26\, \text{mm}$ and diameter $d = 52\, \text{m}$.	2
328	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
329	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
330	Find the area $ A $ of a circle if circumference $C = 86\pi\, \text{m}$.	2
331	Find the area $ A $ of a circle if circumference $C = 86\, \text{m}$.	2
332	Find the area $ A $ of a circle if area $A = 3.14\, \text{mm}^2$ and diameter $d = 2\, \text{mm}$.	2
333	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
334	Find the area $ A $ of a circle if circumference $C = 10.5\, \text{in}$.	2
335	Find the area $ A $ of a circle if circumference $C = 10.5\, \text{in}$.	2
336	Find the area $ A $ of a circle if circumference $C = 16\, \text{in}$.	2
337	Find the area $ A $ of a circle if radius $r = 40\, \text{mm}$.	2
338	Find the area $ A $ of a circle if diameter $d = 47\, \text{mm}$.	2
339	Find the area $ A $ of a circle if circumference $C = 146\, \text{mm}$.	2
340	Find the area $ A $ of a circle if area $A = 43\, \text{in}^2$ and circumference $C = 43\, \text{in}$.	2
341	Find the area $ A $ of a circle if diameter $d = 25\, \text{cm}$.	2
342	Find the area $ A $ of a circle if diameter $d = 17\, \text{mm}$.	2
343	Find the area $ A $ of a circle if diameter $d = 620\, \text{mm}$.	2
344	Find the diameter $ d $ of a circle if area $A = 201.1\, \text{m}^2$.	2
345	Find the area $ A $ of a circle if area $A = \frac{ 79 }{ 40 }\pi\, \text{mm}^2$, circumference $C = 2\pi\, \text{mm}$, radius $r = 1\, \text{mm}$ and diameter $d = 2\, \text{mm}$.	2
346	Find the area $ A $ of a circle if radius $r = 6\, \text{mm}$ and diameter $d = 12\, \text{mm}$.	2
347	Find the area $ A $ of a circle if area $A = 2.5\, \text{mm}^2$.	2
348	Find the circumference $ C $ of a circle if diameter $d = 7.5\, \text{cm}$.	2
349	Find the circumference $ C $ of a circle if diameter $d = 7.5\, \text{cm}$.	2
350	Find the circumference $ C $ of a circle if diameter $d = 7.5\, \text{cm}$.	2