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
501	Find the area $ A $ of a circle if circumference $C = 30\, \text{in}$.	2
502	Find the area $ A $ of a circle if diameter $d = 2.6\, \text{in}$.	2
503	Find the area $ A $ of a circle if radius $r = 1.875\, \text{mm}$.	2
504	Find the area $ A $ of a circle if circumference $C = 176\, \text{in}$.	2
505	Find the area $ A $ of a circle if circumference $C = 176\, \text{in}$ and radius $r = 28\, \text{in}$.	2
506	Find the area $ A $ of a circle if circumference $C = 58\, \text{mm}$.	2
507	Find the area $ A $ of a circle if radius $r = 99\, \text{in}$ and diameter $d = 199.5\, \text{in}$.	2
508	Find the area $ A $ of a circle if radius $r = \frac{ 1 }{ 6 }\, \text{mm}$.	2
509	Find the area $ A $ of a circle if diameter $d = 5.25\, \text{in}$.	2
510	Find the area $ A $ of a circle if circumference $C = 13.25\, \text{cm}$.	2
511	Find the area $ A $ of a circle if area $A = 150\, \text{ft}^2$.	2
512	Find the area $ A $ of a circle if radius $r = 120\, \text{in}$ and diameter $d = 240\, \text{in}$.	2
513	Find the area $ A $ of a circle if radius $r = 120\, \text{in}$.	2
514	Find the area $ A $ of a circle if area $A = 7\, \text{mm}^2$ and diameter $d = 7\, \text{in}$.	2
515	Find the area $ A $ of a circle if diameter $d = 17\, \text{in}$.	2
516	Find the area $ A $ of a circle if circumference $C = 104\, \text{mm}$.	2
517	Find the area $ A $ of a circle if diameter $d = 0.75\, \text{in}$.	2
518	Find the diameter $ d $ of a circle if radius $r = 330\, \text{cm}$ and diameter $d = 660\, \text{cm}$.	2
519	Find the diameter $ d $ of a circle if diameter $d = 660\, \text{cm}$.	2
520	Find the area $ A $ of a circle if circumference $C = 5\, \text{in}$.	2
521	Find the area $ A $ of a circle if diameter $d = 13\pi\, \text{mm}$.	2
522	Find the area $ A $ of a circle if radius $r = 31.05\, \text{mm}$.	2
523	Find the area $ A $ of a circle if diameter $d = 1800\, \text{mm}$.	2
524	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
525	Find the area $ A $ of a circle if area $A = 210\, \text{in}^2$.	2
526	Find the area $ A $ of a circle if radius $r = 4\, \text{mm}$.	2
527	Find the area $ A $ of a circle if diameter $d = 88\, \text{cm}$.	2
528	Find the area $ A $ of a circle if diameter $d = 24\, \text{mm}$.	2
529	Find the area $ A $ of a circle if diameter $d = 24\, \text{m}$.	2
530	Find the area $ A $ of a circle if diameter $d = 24\, \text{m}$.	2
531	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
532	Find the circumference $ C $ of a circle if radius $r = 14\, \text{ft}$.	2
533	Find the circumference $ C $ of a circle if circumference $C = 19\, \text{in}$.	2
534	Find the circumference $ C $ of a circle if diameter $d = 26\, \text{cm}$.	2
535	Find the area $ A $ of a circle if circumference $C = 16\, \text{ft}$.	2
536	Find the area $ A $ of a circle if diameter $d = 36.5\, \text{mm}$.	2
537	Find the area $ A $ of a circle if radius $r = 36.5\, \text{mm}$.	2
538	Find the area $ A $ of a circle if circumference $C = 12\, \text{cm}$.	2
539	Find the area $ A $ of a circle if radius $r = 44.78\, \text{in}$.	2
540	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
541	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
542	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
543	Find the area $ A $ of a circle if radius $r = 10\, \text{mm}$.	2
544	Find the area $ A $ of a circle if radius $r = 26\, \text{mm}$ and diameter $d = 52\, \text{m}$.	2
545	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
546	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
547	Find the area $ A $ of a circle if circumference $C = 86\pi\, \text{m}$.	2
548	Find the area $ A $ of a circle if circumference $C = 86\, \text{m}$.	2
549	Find the area $ A $ of a circle if area $A = 3.14\, \text{mm}^2$ and diameter $d = 2\, \text{mm}$.	2
550	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