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 area $A = 8\, \text{mm}^2$.	2
502	Find the area $ A $ of a circle if area $A = 70\, \text{in}^2$.	2
503	Find the area $ A $ of a circle if diameter $d = 23\, \text{in}$.	2
504	Find the area $ A $ of a circle if radius $r = 12\, \text{yd}$.	2
505	Find the area $ A $ of a circle if area $A = 53\, \text{mm}^2$ and radius $r = 5\, \text{mm}$.	2
506	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
507	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
508	Find the area $ A $ of a circle if diameter $d = 12\, \text{mm}$.	2
509	Find the area $ A $ of a circle if radius $r = 13.75\, \text{mm}$.	2
510	Find the area $ A $ of a circle if area $A = \frac{ 27 }{ 50 }\, \text{mm}^2$.	2
511	Find the area $ A $ of a circle if circumference $C = 18\pi\, \text{mm}$.	2
512	Find the area $ A $ of a circle if circumference $C = 13.75\, \text{mm}$.	2
513	Find the area $ A $ of a circle if circumference $C = 18\, \text{in}$.	2
514	Find the area $ A $ of a circle if circumference $C = 50\, \text{cm}$.	2
515	Find the area $ A $ of a circle if area $A = 1\, \text{mm}^2$ and circumference $C = 8\, \text{cm}$.	2
516	Find the area $ A $ of a circle if radius $r = 3.5\, \text{cm}$.	2
517	Find the area $ A $ of a circle if diameter $d = 4\, \text{m}$.	2
518	Find the circumference $ C $ of a circle if circumference $C = 26\, \text{cm}$.	2
519	Find the area $ A $ of a circle if diameter $d = 30\, \text{in}$.	2
520	Find the diameter $ d $ of a circle if diameter $d = 410\, \text{mm}$.	2
521	Find the area $ A $ of a circle if circumference $C = 150\, \text{ft}$.	2
522	Find the area $ A $ of a circle if radius $r = 18\, \text{in}$ and diameter $d = 36\, \text{in}$.	2
523	Find the area $ A $ of a circle if radius $r = 18\, \text{in}$ and diameter $d = 36\, \text{in}$.	2
524	Find the area $ A $ of a circle if radius $r = 15\, \text{in}$ and diameter $d = 30\, \text{in}$.	2
525	Find the area $ A $ of a circle if radius $r = 1100\, \text{mm}$.	2
526	Find the area $ A $ of a circle if radius $r = 50\, \text{ft}$.	2
527	Find the area $ A $ of a circle if diameter $d = 3.2\, \text{m}$.	2
528	Find the area $ A $ of a circle if circumference $C = 198\, \text{mm}$.	2
529	Find the area $ A $ of a circle if radius $r = 32\, \text{in}$ and diameter $d = 96\, \text{in}$.	2
530	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
531	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
532	Find the area $ A $ of a circle if diameter $d = 914\, \text{mm}$.	2
533	Find the area $ A $ of a circle if circumference $C = 55\, \text{mm}$.	2
534	Find the area $ A $ of a circle if diameter $d = 0.5\, \text{in}$.	2
535	Find the area $ A $ of a circle if diameter $d = 0.38\, \text{in}$.	2
536	Find the area $ A $ of a circle if diameter $d = 126.7\, \text{mm}$.	2
537	Find the area $ A $ of a circle if diameter $d = 12\, \text{in}$.	2
538	Find the area $ A $ of a circle if diameter $d = 0.84\, \text{in}$.	2
539	Find the area $ A $ of a circle if radius $r = 0.75\, \text{in}$ and diameter $d = 1.5\, \text{in}$.	2
540	Find the area $ A $ of a circle if radius $r = 0.75\, \text{in}$ and diameter $d = 1.5\, \text{in}$.	2
541	Find the area $ A $ of a circle if area $A = 589.3637\, \text{mm}^2$.	2
542	Find the area $ A $ of a circle if area $A = 20\, \text{km}^2$.	2
543	Find the area $ A $ of a circle if circumference $C = 35.47\, \text{ft}$.	2
544	Find the area $ A $ of a circle if radius $r = 700\, \text{mm}$.	2
545	Find the area $ A $ of a circle if diameter $d = 11.2\, \text{m}$.	2
546	Find the diameter $ d $ of a circle if diameter $d = 1200\, \text{mm}$.	2
547	Find the diameter $ d $ of a circle if diameter $d = 355\, \text{mm}$.	2
548	Find the area $ A $ of a circle if diameter $d = 8\, \text{m}$.	2
549	Find the area $ A $ of a circle if radius $r = 18\, \text{cm}$ and diameter $d = 36\, \text{cm}$.	2
550	Find the area $ A $ of a circle if circumference $C = 76.5\, \text{cm}$.	2