Skip to Content## Mathematics

## 10th

## grade

# circles and areas related to circles class 10

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- 1. Multiple Choice
The region bounded by two radii and corresponding arc of a circle is

A) Segment

B) Sector

C) Area

D) Perimeter

- 2. Multiple Choice
The region bounded by chord and corresponding arc of a circle is

A) Perimeter

B) Sector

C) Area

D) Segment

- 3. Multiple Choice
Angle of the sector is 90°then the ratio of Area of circle to area of sector is

A) 1:4

B) 1:2

C) 4:1

D) 2:3

- 4. Multiple ChoiceIf the sum of areas of two circles with radii R
_{1}and R_{2}is equal to the area of the circle of radius R thenR_{1}+ R_{2}= R(R_{1})^{2}+ (R_{2})^{2}= R^{2}R_{1}+ R_{2}< R(R_{1})^{2}+ (R_{2})^{2}R^{2} - 5. Multiple Choicea)b)c)d)
- 6. Multiple Choice
a

b

c

d

- 7. Multiple Choice
What is the area of sector of a circle with central angle $60\degree$

$\pi r^2$

$2\pi r$

$\frac{\pi r^2}{6}$

$\frac{\pi r^2}{2}$

- 8. Multiple ChoiceSay 'TRUE' or 'FALSE'

The distance traveled by a circular wheel of diameter d cm in one revolution is 2πd cmTRUEFALSE - 9. Multiple Choice
Area of circle is 154cm

^{2}, and Area of minor sector is 7.7cm^{2}, then calculate area of major sector of circle.A) 145 cm

^{2}B) 146.3 cm

^{2}C) 77 cm

^{2}D) 147 cm

^{2} - 10. Multiple Choice
The radii of two concentric circle are 7cm and 14cm. What is the ratio of their areas?

A) 1:4

B) 1:2

C) 4:1

D) 2:3

- 11. Multiple Choice
Area of a sector with central angle $\theta$ is

$\frac{\theta}{360}\times\pi r^2$$\frac{\theta}{360}\times2\pi r$

$\frac{\theta}{360}\times\pi d$

- 12. Multiple Choice
The area of the circle that can be inscribed in a square of side 6 cm is

36pi sq.cm

18pi sq.cm

12pi sq.cm

9pi sq.cm

- 13. Multiple Choice
The perimeter of square circumscribing circle of radius 'a' cm is

8a cm

6a cm

10a cm

16a cm

- 14. Multiple Choice
Angle of the sector is 90°then the ratio of Area of circle to area of sector is

A) 1:4

B) 1:2

C) 4:1

D) 2:3

- 15. Multiple Choice
A chord that passes through the center of the circle is called ________.

radius

major arc

interior of the corcle

diameter

- Answer choicesTagsAnswer choicesTags