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## Mathematics

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QUIZ

10th

grade

69%

accuracy

32

plays

Isha Jain

3 years

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12 questions

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- 1. Multiple Choice30 seconds1 pt
The region bounded by two radii and corresponding arc of a circle is

A) Segment

B) Sector

C) Area

D) Perimeter

- 2. Multiple Choice30 seconds1 pt
The region bounded by chord and corresponding arc of a circle is

A) Perimeter

B) Sector

C) Area

D) Segment

- 3. Multiple Choice30 seconds1 pt
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 Choice30 seconds1 ptIf 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 Choice30 seconds1 pt
What is the area of sector of a circle with central angle $60\degree$

$\pi r^2$

$2\pi r$

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

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

- 6. Multiple Choice30 seconds1 pt
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

- 7. Multiple Choice30 seconds1 pt
Area of a sector with central angle $\theta$ is

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

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

- 8. Multiple Choice30 seconds1 pt
Circles with same centre are called ................... circles.

equal

congruent

same

concentric

- 9. Multiple Choice30 seconds1 pt
$\frac{1}{4}\times\pi r^2$ is the formula of the

area of the half of the circle

area of the quadrant of the circle

area of three quadrant of the circle

area of the circle

- 10. Multiple Choice30 seconds1 pt
Area of segment of a circle =

Area of circle - area of sector

Area of sector - area of circle

Area of triangle - area of sector

Area of sector - area of triangle

- 11. Multiple Choice30 seconds1 pt
Area of sector is also =

$\frac{3}{4}\times r\times length\ of\ arc$

$\frac{1}{2}\times r\times length\ of\ arc$

$\frac{1}{4}\times r\times length\ of\ arc$

$\frac{1}{3}\times r\times length\ of\ arc$

- 12. Multiple Choice2 minutes1 pt
What is the area of the shaded region?

25π - 50

25π - 100

5π - 50

5π - 100

- Answer choicesTagsAnswer choicesTags
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