Free Printable Areas related to circles

1.

The region bounded by two radii and corresponding arc of a circle is

a)

A) Segment

b)

B) Sector

c)

C) Area

d)

D) Perimeter

2.

The region bounded by chord and corresponding arc of a circle is

a)

A) Perimeter

b)

B) Sector

c)

C) Area

d)

D) Segment

3.

Angle of the sector is 90°then the ratio of Area of circle to area of sector is

a)

A) 1:4

b)

B) 1:2

c)

C) 4:1

d)

D) 2:3

4.

If the sum of areas of two circles with radii R₁ and R₂ is equal to the area of the circle of radius R then

a)

R₁ + R₂ = R

b)

(R₁)² + (R₂)² = R²

c)

R₁ + R₂ < R

d)

(R₁)² + (R₂)² R²

5.

What is the area of sector of a circle with central angle $60\degree$

a)

$\pi r^2$

b)

$2\pi r$

c)

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

d)

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

6.

The radii of two concentric circle are 7cm and 14cm. What is the ratio of their areas?

a)

A) 1:4

b)

B) 1:2

c)

C) 4:1

d)

D) 2:3

7.

Area of a sector with central angle $\theta$ is

a)

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

b)

$\frac{\theta}{360}\times2\pi r$

c)

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

8.

Circles with same centre are called ................... circles.

a)

equal

b)

congruent

c)

same

d)

concentric

9.

$\frac{1}{4}\times\pi r^2$ is the formula of the

a)

area of the half of the circle

b)

area of the quadrant of the circle

c)

area of three quadrant of the circle

d)

area of the circle

10.

Area of segment of a circle =

a)

Area of circle - area of sector

b)

Area of sector - area of circle

c)

Area of triangle - area of sector

d)

Area of sector - area of triangle

11.

Area of sector is also =

a)

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

b)

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

c)

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

d)

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

12.

What is the area of the shaded region?

a)

25π - 50

b)

25π - 100

c)

5π - 50

d)

5π - 100

Areas related to circles

Total questions: 12

Worksheet time: 8mins

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