A circle is a set of those points in a plane that are at a given constant from a given fixed point in the plane. The fixed point is called the center of the circle and the constant distance of every point on the circle from its center is called the radius of the circle. It is a two-dimensional closed figure. So take this quiz and know some interesting theoretical questions about Circle and Tangents.
1. Which of the following is the longest chord of the circle?
A. Radius
B. Diameter
C. Secant
D. Tangent
2. A line that intersects a circle in two distinct points is called ......
A. Chord
B. Tangent
C. Secant
D. Sector
3. A tangent to a circle is a line that intersects the circle at exactly......
A. Three points
B. Two Points
C. Zero points
D. One point
4. ........ is the distance once around the circle.
A. Radius
B. Circumference
C. Diameter
D. Sector
5. A line segment that goes from one point to another on the circle's circumference is called a ......
A. Chord
B. Arc
C. Secant
D. Tangent
6. A part of the circumference is called .....
A. Chord
B. Arc
C. Radius
D. Sector
7. Two tangents can always be drawn to a circle from any point outside the circle, and these tangents are ..... in length.
A. Different
B. Similar
C. Equal
D. None of these
8. Two or more circles that have the same center, but different radii is called .....
A. Tangent circle
B. Concentric circle
C. Congruent circle
D. All of these
9. Congruent circles are those circles that have the same ...... but different .....
A. Radius , Chord
B. Centers , Circumference
C. Circumference, Chord
D. Radius, Centers
10. How many parts are in a circle?
A. 5
B. 7
C. 8
D. 10
11. Who found the first theorems relating to circles around 650 BC?
A. Thales
B. Ahmes
C. Both of these
D. None of these
12. What is the formula for the area of the circle?
A. 2π r
B. π r²
C. 3/4 π r²
D. 1/2π r²
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