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
351	Find the area $ A $ of a circle if radius $r = 145\, \text{cm}$.	2
352	Find the area $ A $ of a circle if circumference $C = \frac{ 15 }{ 16 }\, \text{in}$.	2
353	Find the area $ A $ of a circle if area $A = 4\, \text{ft}^2$ and diameter $d = 55\, \text{ft}$.	2
354	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
355	Find the area $ A $ of a circle if diameter $d = 5\, \text{ft}$.	2
356	Find the area $ A $ of a circle if diameter $d = 32\, \text{in}$.	2
357	Find the area $ A $ of a circle if circumference $C = 0.35\, \text{mm}$.	2
358	Find the area $ A $ of a circle if diameter $d = 0.078\, \text{in}$.	2
359	Find the area $ A $ of a circle if area $A = 144\, \text{mm}^2$.	2
360	Find the area $ A $ of a circle if diameter $d = 300\, \text{mm}$.	2
361	Find the area $ A $ of a circle if diameter $d = 40\, \text{mm}$.	2
362	Find the area $ A $ of a circle if diameter $d = 15\, \text{ft}$.	2
363	Find the area $ A $ of a circle if circumference $C = 2000\, \text{mm}$.	2
364	Find the area $ A $ of a circle if radius $r = 109\, \text{mm}$.	2
365	Find the area $ A $ of a circle if area $A = 1\, \text{km}^2$.	2
366	Find the area $ A $ of a circle if diameter $d = 9.75\, \text{mm}$.	2
367	Find the area $ A $ of a circle if area $A = 100\, \text{in}^2$.	2
368	Find the area $ A $ of a circle if area $A = 82\, \text{in}^2$.	2
369	Find the area $ A $ of a circle if area $A = 91.875\, \text{in}^2$.	2
370	Find the area $ A $ of a circle if diameter $d = 82\, \text{mm}$.	2
371	Find the diameter $ d $ of a circle if diameter $d = 220\, \text{mm}$.	2
372	Find the area $ A $ of a circle if radius $r = 13\, \text{cm}$.	2
373	Find the area $ A $ of a circle if diameter $d = 6\, \text{in}$.	2
374	Find the area $ A $ of a circle if diameter $d = 3.5\, \text{in}$.	2
375	Find the area $ A $ of a circle if radius $r = 9\, \text{mm}$ and diameter $d = 18\, \text{in}$.	2
376	Find the area $ A $ of a circle if area $A = 4\, \text{ft}^2$.	2
377	Find the area $ A $ of a circle if diameter $d = 21\, \text{m}$.	2
378	Find the area $ A $ of a circle if diameter $d = 7\, \text{mm}$.	2
379	Find the area $ A $ of a circle if diameter $d = 13.75\, \text{in}$.	2
380	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
381	Find the area $ A $ of a circle if area $A = 2\, \text{mm}^2$.	2
382	Find the area $ A $ of a circle if radius $r = 10\, \text{in}$.	2
383	Find the area $ A $ of a circle if radius $r = 10\, \text{in}$.	2
384	Find the area $ A $ of a circle if radius $r = 22\, \text{mm}$.	2
385	Find the area $ A $ of a circle if area $A = 400\, \text{ft}^2$.	2
386	Find the area $ A $ of a circle if area $A = 200\, \text{mm}^2$.	2
387	Find the area $ A $ of a circle if area $A = 200\, \text{ft}^2$.	2
388	Find the area $ A $ of a circle if radius $r = 11\, \text{in}$ and diameter $d = 22\, \text{in}$.	2
389	Find the area $ A $ of a circle if diameter $d = 22\, \text{in}$.	2
390	Find the area $ A $ of a circle if diameter $d = 35\, \text{cm}$.	2
391	Find the area $ A $ of a circle if area $A = 67\, \text{mm}^2$.	2
392	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
393	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
394	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$ and diameter $d = 6\, \text{mm}$.	2
395	Find the area $ A $ of a circle if radius $r = 3\, \text{ft}$ and diameter $d = 6\, \text{mm}$.	2
396	Find the area $ A $ of a circle if diameter $d = 6\, \text{ft}$.	2
397	Find the area $ A $ of a circle if diameter $d = 1.75\, \text{in}$.	2
398	Find the area $ A $ of a circle if radius $r = 4.89\, \text{m}$.	2
399	Find the area $ A $ of a circle if radius $r = 160\, \text{mm}$ and diameter $d = 320\, \text{mm}$.	2
400	Find the area $ A $ of a circle if diameter $d = 320\, \text{mm}$.	2