Dividing a Circle into Angles of Given Measure

Q.

How many equal parts should a circle be divided into if each part is to make an angle of 24° at the centre?

1. 25
2. 24
3. 15
4. 16

Q. A circle is divided into 80 equal parts, then the angle between any two alternate radii is______ degrees.

1. 9

Q. If the fraction of green portion is represented as $\frac{x}{r}$, then find $x+r$.

1. 29

Q. A circle is divided into 80 equal parts, then the angle between any two alternate radii is______ degrees.

1. 9

Q. When we divide a circle in six equal parts, each angle will have a measure of ____ degrees.

1. 30
2. 60
3. 90
4. 120

Q. Which amongst the following is used for drawing a circle?

1. Scale
2. Set-square
3. Compass
4. Divider