**Meaning: **half of diameter

**Singular and Plural of Radius**

Singular |
Plural |

radius | radii/radiuses |

## Radius as a Singular Noun in Example Sentences:

- The
**radius**of the circle was 5 centimeters. - He measured the
**radius**of the tree trunk. - The satellite had a large
**radius**of coverage. - The cyclist pedaled for miles within a 10-mile
**radius**. - The architect calculated the
**radius**of the building’s curvature. - The clock’s second hand had a long
**radius**. - The spider’s web extended over a wide
**radius**. - The protractor helped measure the
**radius**of the angle.

## Radius as a Plural Noun in Example Sentences:

- The circles had different
**radii**. - The scientists measured the trees’ trunk
**radii**. - The radio tower’s signal reached various
**radii**. - The car traveled in concentric
**radii**around the city. - The engineer calculated the building’s curved surface
**radii**. - The spider’s web extended over multiple
**radii**. - The students studied the
**radii**of different geometric shapes.

## Singular Possessive of Radius

The singular possessive form of “Radius” is “Radius’s”.

### Examples of Singular Possessive Form of Radius:

- The
**radius’s**length determines the size of the circle. - I measured the
**radius’s**distance from the center. - The
**radius’s**value is often expressed in units. **Radius’s**calculation is essential for geometry problems.- The circle’s circumference depends on the
**radius’s**length. - I used a compass to draw the
**radius’s**line. - The length of the
**radius’s**arc affects its angle. **Radius’s**formula is used to find the area of a circle.- The
**radius’s**position can be plotted on a graph. - The length of the
**radius’s**segment determines its area.

## Plural Possessive of Radius

The plural possessive form of “Radius” is “Radii’s”.

### Examples of Plural Possessive Form of Radius:

- The circles’
**radii’s**were clearly marked on the diagram. - I measured the lengths of the
**radii’s**for accuracy. - The diagram showed the
**radii’s**in different colors. - The
**radii’s**values were given in centimeters. - The angles formed by the
**radii’s**intersecting lines were calculated. - I used a protractor to measure the
**radii’s**angles. - The
**radii’s**lengths were used to find the circle’s diameter. - The
**radii’s**curves created an elegant pattern. - I labeled the
**radii’s**endpoints for clarity. - The
**radii’s**measurements were essential for the experiment.