Area of Circles
The radius of a circle is 2 centimeters. What is the circle's area?
12.56
The diameter of a circle is 20.45 inches. What is the circle's radius?
328.455
The diameter of a circle is 8.8 inches. What is the circle's area?
60.821
The radius of a circle is 3.87 feet. What is the circle's area?
47.051
The radius of a circle is 1.98 kilometer. What is the circle's area?
12.316
The diameter of a circle is 3.56 millimeters. What is the circle's area?
9.953
The circumference of a circle is 6.28 millimeters. What is the circle's area?
3.138
The circumference of a circle is 50.24 square kilometers. What is the circle's area?
200.858
The radius of a circle is 2.7 millimeters. What is the circle's area?
22.902
The diameter of a circle is 4.95 meters. What is the circle's area?
19.244
The circumference of a circle is 25.12 millimeters. What is the circle's area?
50.214
The circumference of a circle is 18.84 yards. What is the circle's area?
28.26
The radius of a circle is 3.14 square centimeters. What is the circle's area?
30.974
The diameter of a circle is 10 millimeters. What is the circle's area?
78.539
The diameter of a circle is 3.15 square miles. What is the circle's area?
7.793