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
651	Find the area $ A $ of a circle if area $A = 200\, \text{ft}^2$.	2
652	Find the area $ A $ of a circle if radius $r = 11\, \text{in}$ and diameter $d = 22\, \text{in}$.	2
653	Find the area $ A $ of a circle if diameter $d = 22\, \text{in}$.	2
654	Find the area $ A $ of a circle if diameter $d = 35\, \text{cm}$.	2
655	Find the area $ A $ of a circle if area $A = 67\, \text{mm}^2$.	2
656	Find the area $ A $ of a circle if area $A = 43\, \text{mm}^2$, circumference $C = 76\, \text{mm}$, radius $r = 9\, \text{mm}$ and diameter $d = 2222\, \text{mm}$.	2
657	Find the area $ A $ of a circle if area $A = 360\, \text{mm}^2$, circumference $C = 1\, \text{mm}$, radius $r = \frac{ 1 }{ 2 }\, \text{mm}$ and diameter $d = 1\, \text{mm}$.	2
658	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$ and diameter $d = 6\, \text{mm}$.	2
659	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$ and diameter $d = 6\, \text{mm}$.	2
660	Find the area $ A $ of a circle if diameter $d = 6\, \text{ft}$.	2
661	Find the area $ A $ of a circle if diameter $d = 1.75\, \text{in}$.	2
662	Find the area $ A $ of a circle if radius $r = 4.89\, \text{m}$.	2
663	Find the area $ A $ of a circle if radius $r = 160\, \text{mm}$ and diameter $d = 320\, \text{mm}$.	2
664	Find the area $ A $ of a circle if diameter $d = 320\, \text{mm}$.	2
665	Find the area $ A $ of a circle if radius $r = 160\, \text{mm}$.	2
666	Find the area $ A $ of a circle if diameter $d = 30\, \text{ft}$.	2
667	Find the area $ A $ of a circle if area $A = 23.5\, \text{in}^2$.	2
668	Find the diameter $ d $ of a circle if area $A = 28\, \text{m}^2$.	2
669	Find the area $ A $ of a circle if circumference $C = 16.3\pi\, \text{in}$.	2
670	Find the area $ A $ of a circle if radius $r = 9\, \text{ft}$.	2
671	Find the circumference $ C $ of a circle if diameter $d = 31\, \text{cm}$.	2
672	Find the area $ A $ of a circle if diameter $d = 12222222\, \text{mm}$.	2
673	Find the area $ A $ of a circle if circumference $C = 12.56\, \text{yd}$.	2
674	Find the area $ A $ of a circle if radius $r = 800\, \text{mm}$ and diameter $d = 1600\, \text{mm}$.	2
675	Find the area $ A $ of a circle if area $A = 801\, \text{ft}^2$.	2
676	Find the area $ A $ of a circle if radius $r = 30\, \text{in}$.	2
677	Find the area $ A $ of a circle if diameter $d = 4\, \text{ft}$.	2
678	Find the area $ A $ of a circle if diameter $d = 52\, \text{mm}$.	2
679	Find the area $ A $ of a circle if diameter $d = 58\, \text{ft}$.	2
680	Find the area $ A $ of a circle if circumference $C = 2.3\, \text{in}$.	2
681	Find the radius $ r $ of a circle if ???.	2
682	Find the area $ A $ of a circle if diameter $d = 5\, \text{in}$.	2
683	Find the area $ A $ of a circle if circumference $C = \pi\, \text{mm}$.	2
684	Find the area $ A $ of a circle if circumference $C = 3.6\, \text{mm}$.	2
685	Find the area $ A $ of a circle if diameter $d = 4.45\, \text{ft}$.	2
686	Find the area $ A $ of a circle if radius $r = 5\, \text{cm}$.	2
687	Find the circumference $ C $ of a circle if circumference $C = 10\, \text{m}$.	2
688	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$.	2
689	Find the area $ A $ of a circle if diameter $d = 26.9\, \text{mm}$.	2
690	Find the area $ A $ of a circle if circumference $C = 350\, \text{mm}$.	2
691	Find the area $ A $ of a circle if area $A = 88\, \text{mm}^2$.	2
692	Find the area $ A $ of a circle if area $A = 9\, \text{mm}^2$.	2
693	Find the area $ A $ of a circle if diameter $d = 9\, \text{ft}$.	2
694	Find the area $ A $ of a circle if area $A = 63.59\, \text{yd}^2$, circumference $C = 28.26\, \text{mm}$, radius $r = 15\, \text{cm}$ and diameter $d = 9\, \text{ft}$.	2
695	Find the area $ A $ of a circle if diameter $d = 3\, \text{ft}$.	2
696	Find the area $ A $ of a circle if radius $r = 0.914\, \text{in}$.	2
697	Find the area $ A $ of a circle if circumference $C = 74\, \text{mm}$.	2
698	Find the area $ A $ of a circle if radius $r = 16\, \text{ft}$.	2
699	Find the area $ A $ of a circle if circumference $C = 77\, \text{in}$.	2
700	Find the area $ A $ of a circle if circumference $C = 77\, \text{in}$.	2