Question

Which of the following segments is a radius of O?
Please help

Answer 1

Possibly B. RO. maybe even

Answer 2

ANSWER

The segment that is a radius is


`\bar{RO}`

Step-by-step explanation

A radius is any line segment from the center of a circle to the circumference.

From the above diagram, the center of the circle is O.

The points on the circumference are A, R S and T.

The only line from the circumference to the centre in the options above is the line segment RO.

The correct answer is B.

Note however that


`\bar{AS}`
is a diameter, which is a special chord.


`\bar{RA}`

is a chord.


`image`
is also a chord.