Basic Circles

The longest chord of a circle is a ________ of the circle.

• diameter

• semicircle

• chord

• sector

The length of a chord of circle of radius 10 cm is 12 cm. Determine the distance of the chord from the centre

• 8 cm

• 7 cm

• 6 cm

• 5 cm

Name the pictured part of the circle.

A line segment connecting any two points on a circle is called a _____________.

• diameter

• chord

• radius

• circumference 

Label each of the following.

d

c

b

a

Radius

Secant

Tangent

Chord

In  a circle, if a radius or diameter is perpendicular to a chord, then it____ the chord and its arc.

• equals

• bisects

• arcs

• circles

• in the interior of the circle

• on the circle

• in the exterior of the circle

• cannot say

The centre of a circle lies in ________ of the circle.

• boundary

• exterior

• interior

• none of these

Segment of a circle is the region between an arc and _______ of the circle.

• diameter

• semicircle

• chord

• sector

The line drawn through the centre of a circle to ______ a chord is perpendicular to the chord.

• trisect

• bisect

• coincides

• none of these