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Circumference/Area of a Circle
Equation of a Circle
100
What is the area of a circle whose radius equals 13 inches?
What is 169(pi)
100
What is the equation of a circle whose center is located at point (2, -8) and r = 9?
What is (x-2)^2 + (y+8)^2 = 81
200
What is the area of a circle whose diameter equals 16 cm?
What is 64(pi)
200
What is the center of a circle whose equation is (x-5)^2 + (y+7)^2 = 64?
What is (5, -7)
300
What is the circumference of a circle whose radius equals 13?
What is 26(pi)
300
What is the equation of a circle whose center is located at point (5, -1) and r=12?
What is (x-5)^2 + (y+1)^2 = 144
400
What is the circumference of a circle whose radius equals 5 inches?
What is 10(pi)
400
What is the center and radius of a circle whose equation is (x-9)^2 + (y+2)^2 = 81?
What is (9, -2) and r=9
500
What is the radius of a circle whose circumference is 25.5?
What is r=4.1
500
What is the equation of a circle whose center is located at (-6, 7) and r = 10?
What is (x+6)^2 + (y-7)^2 = 100