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 $C = 10.5\, \text{in}$.	2
552	Find the area $ A $ of a circle if circumference $C = 10.5\, \text{in}$.	2
553	Find the area $ A $ of a circle if circumference $C = 16\, \text{in}$.	2
554	Find the area $ A $ of a circle if radius $r = 40\, \text{mm}$.	2
555	Find the area $ A $ of a circle if diameter $d = 47\, \text{mm}$.	2
556	Find the area $ A $ of a circle if circumference $C = 146\, \text{mm}$.	2
557	Find the area $ A $ of a circle if area $A = 43\, \text{in}^2$ and circumference $C = 43\, \text{in}$.	2
558	Find the area $ A $ of a circle if diameter $d = 25\, \text{cm}$.	2
559	Find the area $ A $ of a circle if diameter $d = 17\, \text{mm}$.	2
560	Find the area $ A $ of a circle if diameter $d = 620\, \text{mm}$.	2
561	Find the diameter $ d $ of a circle if area $A = 201.1\, \text{m}^2$.	2
562	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
563	Find the area $ A $ of a circle if area $A = 2.5\, \text{mm}^2$.	2
564	Find the circumference $ C $ of a circle if diameter $d = 7.5\, \text{cm}$.	2
565	Find the circumference $ C $ of a circle if diameter $d = 7.5\, \text{cm}$.	2
566	Find the circumference $ C $ of a circle if diameter $d = 7.5\, \text{cm}$.	2
567	Find the area $ A $ of a circle if radius $r = 145\, \text{cm}$.	2
568	Find the area $ A $ of a circle if circumference $C = \frac{ 15 }{ 16 }\, \text{in}$.	2
569	Find the area $ A $ of a circle if area $A = 4\, \text{ft}^2$ and diameter $d = 55\, \text{ft}$.	2
570	Find the area $ A $ of a circle if area $A = 12.56\, \text{mm}^2$, circumference $C = 12.56\, \text{ft}$, radius $r = 2\, \text{mm}$ and diameter $d = 4\, \text{ft}$.	2
571	Find the area $ A $ of a circle if diameter $d = 5\, \text{ft}$.	2
572	Find the area $ A $ of a circle if diameter $d = 32\, \text{in}$.	2
573	Find the area $ A $ of a circle if circumference $C = 0.35\, \text{mm}$.	2
574	Find the area $ A $ of a circle if diameter $d = 0.078\, \text{in}$.	2
575	Find the area $ A $ of a circle if area $A = 144\, \text{mm}^2$.	2
576	Find the area $ A $ of a circle if diameter $d = 300\, \text{mm}$.	2
577	Find the area $ A $ of a circle if diameter $d = 40\, \text{mm}$.	2
578	Find the area $ A $ of a circle if diameter $d = 15\, \text{ft}$.	2
579	Find the area $ A $ of a circle if circumference $C = 2000\, \text{mm}$.	2
580	Find the area $ A $ of a circle if radius $r = 109\, \text{mm}$.	2
581	Find the area $ A $ of a circle if area $A = 1\, \text{km}^2$.	2
582	Find the area $ A $ of a circle if diameter $d = 9.75\, \text{mm}$.	2
583	Find the area $ A $ of a circle if area $A = 100\, \text{in}^2$.	2
584	Find the area $ A $ of a circle if area $A = 82\, \text{in}^2$.	2
585	Find the area $ A $ of a circle if area $A = 91.875\, \text{in}^2$.	2
586	Find the area $ A $ of a circle if diameter $d = 82\, \text{mm}$.	2
587	Find the diameter $ d $ of a circle if diameter $d = 220\, \text{mm}$.	2
588	Find the area $ A $ of a circle if radius $r = 13\, \text{cm}$.	2
589	Find the area $ A $ of a circle if diameter $d = 6\, \text{in}$.	2
590	Find the area $ A $ of a circle if diameter $d = 3.5\, \text{in}$.	2
591	Find the area $ A $ of a circle if radius $r = 9\, \text{mm}$ and diameter $d = 18\, \text{in}$.	2
592	Find the area $ A $ of a circle if area $A = 4\, \text{ft}^2$.	2
593	Find the area $ A $ of a circle if diameter $d = 21\, \text{m}$.	2
594	Find the area $ A $ of a circle if diameter $d = 7\, \text{mm}$.	2
595	Find the area $ A $ of a circle if diameter $d = 13.75\, \text{in}$.	2
596	Find the area $ A $ of a circle if area $A = 11.5\, \text{in}^2$, circumference $C = 14\, \text{in}$, radius $r = 32.5\, \text{in}$ and diameter $d = 65\, \text{in}$.	2
597	Find the area $ A $ of a circle if area $A = 2\, \text{mm}^2$.	2
598	Find the area $ A $ of a circle if radius $r = 10\, \text{in}$.	2
599	Find the area $ A $ of a circle if radius $r = 10\, \text{in}$.	2
600	Find the area $ A $ of a circle if radius $r = 22\, \text{mm}$.	2