Circles Solved Questions

1) Find the area of a circle whose radius is 3
(A) 3π
(B) 6π
(C) 9π
(D) π

2) Find the length of the circumference of a circle whose radius is 4
(A) 4π
(B) 8π
(C) 16π
(D) 2π

3) Find the circumference of a circle whose area is 100π
(A) 10
(B) 20
(C) 10π
(D) 20π

4) What is the area of a circle whose circumference is π?
(A) π/4
(B) π/2
(C) π
(D) 2π

5) What is the area of a circle that is inscribed in a square of area 2?
(A) π/4
(B) π/2
(C) π
(D) π√2


6) A square of area 2 is inscribed in a circle. What is the area of the circle?
(A) π/4
(B) π/2
(C) π
(D) π√2

7) A rectangle with sides 5 and 12 is inscribed in a circle. What is the radius of the circle?
(A) 6.5
(B) 7
(C) 8.5
(D) 13

8) Which of the following line meet the circle in one point?
(A) secant
(B) diameter
(C) chord
(D) tangent


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