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
551	Find the area $ A $ of a circle if circumference $C = 58\, \text{mm}$.	2
552	Find the area $ A $ of a circle if radius $r = 99\, \text{in}$ and diameter $d = 199.5\, \text{in}$.	2
553	Find the area $ A $ of a circle if radius $r = \frac{ 1 }{ 6 }\, \text{mm}$.	2
554	Find the area $ A $ of a circle if diameter $d = 5.25\, \text{in}$.	2
555	Find the area $ A $ of a circle if circumference $C = 13.25\, \text{cm}$.	2
556	Find the area $ A $ of a circle if area $A = 150\, \text{ft}^2$.	2
557	Find the area $ A $ of a circle if radius $r = 120\, \text{in}$ and diameter $d = 240\, \text{in}$.	2
558	Find the area $ A $ of a circle if radius $r = 120\, \text{in}$.	2
559	Find the area $ A $ of a circle if area $A = 7\, \text{mm}^2$ and diameter $d = 7\, \text{in}$.	2
560	Find the area $ A $ of a circle if diameter $d = 17\, \text{in}$.	2
561	Find the area $ A $ of a circle if circumference $C = 104\, \text{mm}$.	2
562	Find the area $ A $ of a circle if diameter $d = 0.75\, \text{in}$.	2
563	Find the diameter $ d $ of a circle if radius $r = 330\, \text{cm}$ and diameter $d = 660\, \text{cm}$.	2
564	Find the diameter $ d $ of a circle if diameter $d = 660\, \text{cm}$.	2
565	Find the area $ A $ of a circle if circumference $C = 5\, \text{in}$.	2
566	Find the area $ A $ of a circle if diameter $d = 13\pi\, \text{mm}$.	2
567	Find the area $ A $ of a circle if radius $r = 31.05\, \text{mm}$.	2
568	Find the area $ A $ of a circle if diameter $d = 1800\, \text{mm}$.	2
569	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
570	Find the area $ A $ of a circle if area $A = 210\, \text{in}^2$.	2
571	Find the area $ A $ of a circle if radius $r = 4\, \text{mm}$.	2
572	Find the area $ A $ of a circle if diameter $d = 88\, \text{cm}$.	2
573	Find the area $ A $ of a circle if diameter $d = 20\, \text{ft}$.	2
574	Find the area $ A $ of a circle if diameter $d = 24\, \text{mm}$.	2
575	Find the area $ A $ of a circle if diameter $d = 24\, \text{m}$.	2
576	Find the area $ A $ of a circle if diameter $d = 24\, \text{m}$.	2
577	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
578	Find the circumference $ C $ of a circle if radius $r = 14\, \text{ft}$.	2
579	Find the circumference $ C $ of a circle if circumference $C = 19\, \text{in}$.	2
580	Find the circumference $ C $ of a circle if diameter $d = 26\, \text{cm}$.	2
581	Find the area $ A $ of a circle if circumference $C = 16\, \text{ft}$.	2
582	Find the area $ A $ of a circle if diameter $d = 36.5\, \text{mm}$.	2
583	Find the area $ A $ of a circle if radius $r = 36.5\, \text{mm}$.	2
584	Find the area $ A $ of a circle if circumference $C = 12\, \text{cm}$.	2
585	Find the area $ A $ of a circle if radius $r = 44.78\, \text{in}$.	2
586	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
587	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
588	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
589	Find the area $ A $ of a circle if radius $r = 10\, \text{mm}$.	2
590	Find the area $ A $ of a circle if radius $r = 26\, \text{mm}$ and diameter $d = 52\, \text{m}$.	2
591	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
592	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
593	Find the area $ A $ of a circle if circumference $C = 86\pi\, \text{m}$.	2
594	Find the area $ A $ of a circle if circumference $C = 86\, \text{m}$.	2
595	Find the area $ A $ of a circle if area $A = 3.14\, \text{mm}^2$ and diameter $d = 2\, \text{mm}$.	2
596	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
597	Find the area $ A $ of a circle if circumference $C = 10.5\, \text{in}$.	2
598	Find the area $ A $ of a circle if circumference $C = 10.5\, \text{in}$.	2
599	Find the area $ A $ of a circle if circumference $C = 16\, \text{in}$.	2
600	Find the area $ A $ of a circle if radius $r = 40\, \text{mm}$.	2