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Circles - Class IX Mathematics Quiz

Class IX
Mathematics
Circles
11 questions
MEDIUM

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Preview questions

1. What is the distance from the center of a circle to any point on its circumference called?

Diameter · Radius · Chord · Arc

2. If the radius of a circle is doubled, what happens to the area of the circle?

It remains the same · It doubles · It triples · It quadruples

3. What is the formula for the circumference of a circle?

πr^2 · 2πr · πd · r^2

4. In a circle, a line segment joining two points on the circumference is called a:

Diameter · Radius · Chord · Secant

5. What is the relationship between the diameter and the radius of a circle?

Diameter = Radius × 2 · Diameter = Radius / 2 · Diameter = Radius + 1 · Diameter = Radius - 1