Chapter 9: Geometry – Circles — Online MCQ Test
MATHS · Samacheer Kalvi 7th · Tamil Nadu State Board
Practice Chapter 9: Geometry – Circles with a free chapter-wise online MCQ test.
This chapter covers: Circle properties chords tangents and constructions circle radius diameter tangent.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 9: Geometry – Circles — Important Questions & Answers
What is the distance from the center of a circle to any point on the circle called?
- A. Diameter
- B. Radius
- C. Chord
- D. Tangent
Answer: B. Radius
The radius is the line segment joining the center of the circle to any point on the circle.
The radius is the line segment joining the center of the circle to any point on the circle.
Which of the following is a line segment joining two points on a circle?
- A. Radius
- B. Diameter
- C. Chord
- D. Arc
Answer: C. Chord
A chord is a line segment whose endpoints lie on the circle.
A chord is a line segment whose endpoints lie on the circle.
If the radius of a circle is 7 cm, what is its diameter?
- A. 7 cm
- B. 10 cm
- C. 14 cm
- D. 21 cm
Answer: C. 14 cm
Diameter = 2 × radius, so 2 × 7 = 14 cm.
Diameter = 2 × radius, so 2 × 7 = 14 cm.
Which of the following can be drawn from the center to the circle?
- A. Tangent
- B. Chord
- C. Radius
- D. Secant
Answer: C. Radius
A radius is the segment from the center to the circle.
A radius is the segment from the center to the circle.
In a construction, a line is drawn so that it touches a circle at exactly one point. What is the line called?
- A. Chord
- B. Secant
- C. Tangent
- D. Diameter
Answer: C. Tangent
A line touching the circle at one point only is a tangent, which is a key circle property in constructions.
A line touching the circle at one point only is a tangent, which is a key circle property in constructions.