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 area $ A $ of a circle if diameter $d = 23\, \text{in}$.	2
302	Find the area $ A $ of a circle if diameter $d = 20\, \text{ft}$.	2
303	Find the area $ A $ of a circle if circumference $C = 3\, \text{in}$.	2
304	Find the area $ A $ of a circle if radius $r = 12\, \text{yd}$.	2
305	Find the area $ A $ of a circle if area $A = 53\, \text{mm}^2$ and radius $r = 5\, \text{mm}$.	2
306	Find the area $ A $ of a circle if radius $r = 0.92\, \text{m}$ and diameter $d = 129800\, \text{m}$.	2
307	Find the area $ A $ of a circle if diameter $d = 100\, \text{m}$.	2
308	Find the area $ A $ of a circle if diameter $d = 129800\, \text{m}$.	2
309	Find the area $ A $ of a circle if circumference $C = 68\, \text{mm}$.	2
310	Find the area $ A $ of a circle if area $A = 11\, \text{mm}^2$, radius $r = 12\, \text{dm}$ and diameter $d = 14\, \text{mm}$.	2
311	Find the area $ A $ of a circle if area $A = 2\, \text{yd}^2$, circumference $C = 7\, \text{mm}$ and radius $r = 4\, \text{mm}$.	2
312	Find the area $ A $ of a circle if diameter $d = 12\, \text{mm}$.	2
313	Find the area $ A $ of a circle if radius $r = 13.75\, \text{mm}$.	2
314	Find the area $ A $ of a circle if radius $r = 15\, \text{mm}$.	2
315	Find the area $ A $ of a circle if radius $r = 10.5\, \text{mm}$ and diameter $d = 21\, \text{mm}$.	2
316	Find the area $ A $ of a circle if diameter $d = 21\, \text{mm}$.	2
317	Find the area $ A $ of a circle if area $A = 1.9\, \text{mm}^2$ and radius $r = 0.95\, \text{mm}$.	2
318	Find the area $ A $ of a circle if radius $r = 0.95\, \text{mm}$.	2
319	Find the area $ A $ of a circle if area $A = 1.9\, \text{mm}^2$.	2
320	Find the area $ A $ of a circle if area $A = \frac{ 27 }{ 50 }\, \text{mm}^2$.	2
321	Find the diameter $ d $ of a circle if area $A = 20\, \text{m}^2$.	2
322	Find the area $ A $ of a circle if area $A = 8.0848\, \text{in}^2$ and diameter $d = 5\, \text{in}$.	2
323	Find the area $ A $ of a circle if area $A = 153\pi\, \text{mm}^2$.	2
324	Find the area $ A $ of a circle if diameter $d = 12\, \text{mm}$.	2
325	Find the area $ A $ of a circle if radius $r = 12\, \text{mm}$.	2
326	Find the area $ A $ of a circle if circumference $C = 18\pi\, \text{mm}$.	2
327	Find the area $ A $ of a circle if radius $r = 20\, \text{mm}$.	2
328	Find the area $ A $ of a circle if diameter $d = 7.5\, \text{ft}$.	2
329	Find the area $ A $ of a circle if circumference $C = 13.75\, \text{mm}$.	2
330	Find the area $ A $ of a circle if circumference $C = 18\, \text{in}$.	2
331	Find the area $ A $ of a circle if diameter $d = 29.75\, \text{mm}$.	2
332	Find the area $ A $ of a circle if area $A = 300\, \text{mm}^2$.	2
333	Find the area $ A $ of a circle if radius $r = 152\, \text{mm}$.	2
334	Find the area $ A $ of a circle if circumference $C = 50\, \text{cm}$.	2
335	Find the area $ A $ of a circle if radius $r = 500\, \text{cm}$.	2
336	Find the area $ A $ of a circle if diameter $d = 3.356\, \text{in}$.	2
337	Find the area $ A $ of a circle if diameter $d = 50\, \text{cm}$.	2
338	Find the area $ A $ of a circle if area $A = 1\, \text{mm}^2$ and circumference $C = 8\, \text{cm}$.	2
339	Find the area $ A $ of a circle if radius $r = 4\, \text{mm}$.	2
340	Find the area $ A $ of a circle if radius $r = 3.5\, \text{cm}$.	2
341	Find the area $ A $ of a circle if diameter $d = 4\, \text{m}$.	2
342	Find the circumference $ C $ of a circle if circumference $C = 26\, \text{cm}$.	2
343	Find the area $ A $ of a circle if diameter $d = \frac{ 81 }{ 2 }\, \text{mm}$.	2
344	Find the area $ A $ of a circle if circumference $C = 158\, \text{m}$.	2
345	Find the area $ A $ of a circle if radius $r = \sqrt{ 13 }\, \text{mm}$.	2
346	Find the area $ A $ of a circle if area $A = 36\, \text{mm}^2$ and radius $r = 6\, \text{mm}$.	2
347	Find the area $ A $ of a circle if radius $r = 6\, \text{mm}$.	2
348	Find the circumference $ C $ of a circle if radius $r = 63$.	2
349	Find the area $ A $ of a circle if area $A = 900\, \text{mm}^2$ and circumference $C = 1290\, \text{mm}$.	2
350	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