Circles Mathematics 10th Test
1. A circle is a collection of points that are:
A. At different distances from a fixed point
B. At equal distances from a fixed point
C. On a straight line
D. Inside a square
A. At different distances from a fixed point
B. At equal distances from a fixed point
C. On a straight line
D. Inside a square
2. The fixed point of a circle is called:
A. Radius
B. Diameter
C. Centre
D. Chord
A. Radius
B. Diameter
C. Centre
D. Chord
3. The distance from the centre to any point on the circle is:
A. Diameter
B. Radius
C. Chord
D. Arc
A. Diameter
B. Radius
C. Chord
D. Arc
4. A line segment joining the centre and a point on the circle is:
A. Chord
B. Radius
C. Diameter
D. Tangent
A. Chord
B. Radius
C. Diameter
D. Tangent
5. The longest chord of a circle is:
A. Radius
B. Arc
C. Diameter
D. Tangent
A. Radius
B. Arc
C. Diameter
D. Tangent
6. The diameter of a circle is:
A. Equal to radius
B. Half of radius
C. Twice the radius
D. Three times radius
A. Equal to radius
B. Half of radius
C. Twice the radius
D. Three times radius
7. A chord passing through the centre is called:
A. Radius
B. Diameter
C. Arc
D. Tangent
A. Radius
B. Diameter
C. Arc
D. Tangent
8. A tangent to a circle touches it at:
A. Two points
B. Three points
C. One point
D. Infinite points
A. Two points
B. Three points
C. One point
D. Infinite points
9. A tangent drawn to a circle is:
A. Parallel to radius
B. Perpendicular to radius at point of contact
C. Equal to diameter
D. Along the radius
A. Parallel to radius
B. Perpendicular to radius at point of contact
C. Equal to diameter
D. Along the radius
10. The point where a tangent touches the circle is called:
A. Centre
B. Midpoint
C. Point of Contact
D. Chord Point
A. Centre
B. Midpoint
C. Point of Contact
D. Chord Point
11. The angle between a radius and tangent at the point of contact is:
A. 30°
B. 45°
C. 60°
D. 90°
A. 30°
B. 45°
C. 60°
D. 90°
12. A circle can have how many tangents?
A. 1
B. 2
C. Infinite
D. 4
A. 1
B. 2
C. Infinite
D. 4
13. From an external point, the number of tangents that can be drawn to a circle is:
A. 1
B. 2
C. 3
D. Infinite
A. 1
B. 2
C. 3
D. Infinite
14. Tangents drawn from an external point to a circle are:
A. Unequal
B. Perpendicular
C. Equal
D. Parallel
A. Unequal
B. Perpendicular
C. Equal
D. Parallel
15. If PA and PB are tangents from point P, then:
A. PA > PB
B. PA < PB
C. PA = PB
D. PA + PB = 0
A. PA > PB
B. PA < PB
C. PA = PB
D. PA + PB = 0
16. The theorem "Tangents drawn from an external point are equal" is one of the key results of:
A. Triangles
B. Circles
C. Statistics
D. Probability
A. Triangles
B. Circles
C. Statistics
D. Probability
17. A secant intersects a circle at:
A. One point
B. Two points
C. Three points
D. No point
A. One point
B. Two points
C. Three points
D. No point
18. A tangent and a secant are:
A. Same line
B. Different concepts
C. Always parallel
D. Always perpendicular
A. Same line
B. Different concepts
C. Always parallel
D. Always perpendicular
19. The radius drawn to the point of contact is:
A. Parallel to tangent
B. Perpendicular to tangent
C. Equal to tangent
D. Along tangent
A. Parallel to tangent
B. Perpendicular to tangent
C. Equal to tangent
D. Along tangent
20. If the radius of a circle is 7 cm, the diameter is:
A. 7 cm
B. 10 cm
C. 12 cm
D. 14 cm
A. 7 cm
B. 10 cm
C. 12 cm
D. 14 cm