Major Sector and Minor Sector

Q.

If the angle of a minor sector of a circle is ${120}^{\circ }$, then the major sector will have an angle of ____.

1. ${120}^{\circ }$

2. ${240}^{\circ }$

3. ${60}^{\circ }$

4. ${180}^{\circ }$

Q.

If the angle of major sector in a circle is ${240}^{\circ }$, the angle of minor sector will be ______.

1. ${120}^{\circ }$

2. ${110}^{\circ }$

3. ${100}^{\circ }$

4. ${140}^{\circ }$

Q.

Assertion : Given a circle of radius r and with centre $O$ . A point $P$ lies in a plane such that $OP>r$ then point $P$ lies on the exterior of the circle.

Reason : The region between an arc and the two radii, joining the centre to the end points of the arc, is called a sector.

Which of the following is correct?

1. If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

2. If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

3. If Assertion is correct but Reason is incorrect.

4. If Assertion is incorrect but Reason is correct.

Q.

The region shaded in yellow is called a ___ of the circle.

1. major segment

2. major sector

3. minor sector

4. minor segment

Q.

Identify the major sector.

1. Blue region

2. Blue and red region

3. Yellow region

4. Red and yellow region

Q.

If the segment of a circle is also its sector, then the region will be a ___.

1. Quadrant

2. Semicircle

3. Centre

4. Square

Q.

Identify the major segment.

1. Blue region
2. Blue & red region
3. Yellow region
4. Red & yellow region

Q.

Identify the major sector.

1. Blue region

2. Blue and red region

3. Yellow region

4. Red and yellow region

Q.

A sector with a central angle greater than ${180}^{\circ }$ is called a ____ of the circle.

1. minor sector

2. major sector

3. chord
4. segment

Q.

Consider the following circle and choose the incorrect option.

1. Region in red = Major sector

2. Region in blue = Minor segment

3. Region in green = Minor sector

4. Region in green + Region in blue = Minor sector

Q.

In the figure shown, the sector OMAN which is called the ____ sector and the sector OMBN which is called the ____ sector respectively.

1. Minor, Major

2. Major, Minor

3. Major, Major
4. Minor, Minor

Q.

If the angle of major sector in a circle is ${240}^{\circ }$, the angle of minor sector will be ______.

1. ${140}^{\circ }$

2. ${110}^{\circ }$

3. ${120}^{\circ }$

4. ${100}^{\circ }$