What part of the circle is labelled as \(\text{x}\)?
Radius
Diameter
Arc
A circle has a diameter of 11 cm. What is its radius?
22 cm
11 cm
5.5 cm
Which formula gives the circumference of a circle?
\[\pi \text{rd}\]
\[\pi \text{r}^{2}\]
\[\pi \text{d}\]
Chord
Segment
Sector
What is a tangent?
A line that goes through a circle
A radius
A line that touches the edge of a circle once
A circle has a radius of 10 cm. What is the area of the circle in terms of \(\pi\)?
25\(\pi\)
100\(\pi\)
50\(\pi\)
Find the shaded area.
12.6 cm2
14.2 cm2
16 cm2
A circle has a circumference of 312 cm2. What is its diameter?
96.4 cm
99.3 cm
100 cm
What is the area of the sector?
26 cm2
26.1 cm2
26.2 cm2
What is the length of the arc shown?
10.5 cm
9 cm
9.6 cm