Number
Number

Statistics and Probability
Statistics and Probability

Algebra
Algebra
Geometry and Measures
Mock Exams

4.6 Circles

Give the names of the parts of the circle shown by the red dotted line or red shaded area in the questions below:
1.
q_circumference

The measurement around the edge of a circle is its circumference.

2.
q_chord
A straight line inside a circle, which touches the circumference at either end is called a chord.
3.
q_diameter

The straight line that divides a circle in half is called the diameter.

4.
q_minor_sector
The area between two radii is called a sector. If this makes up less than half of the circle, it is called the minor sector.

Parts of a circle

You will need to memorise the terms used to describe different parts of a circle. See page 1 of the lesson to recap.

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