ONLINE TEST - CIRCLE - T1

Circle Quiz - 10 Questions

1. What is the formula to calculate the circumference of a circle?

2 × π × r
π × r²
4 × r

2. Find the area of a circle with radius 7 cm. (Use π = 22/7)

154 cm²
144 cm²
100 cm²

3. If diameter is 10 cm, what is the radius?

5 cm
10 cm
15 cm

4. Word Problem: A circular garden has radius 14 m. What is its area?

616 m²
700 m²
528 m²

5. Which part of a circle is a chord?

A line joining two points on the circle
The radius
The diameter

6. Word Problem: A bicycle wheel has radius 35 cm. Find its circumference.

220 cm
240 cm
275 cm

7. What is the longest chord in a circle?

Diameter
Radius
Arc

8. Word Problem: If circumference is 44 cm, find radius. (π = 22/7)

7 cm
6 cm
8 cm

9. True or False: A sector is a region between two radii and an arc.

True
False

10. Word Problem: Area of a circle is 314 cm². What is the radius? (π = 3.14)

10 cm
20 cm
5 cm