Diameter of a Circle
What is the name of the line that goes from one side of the circle to the other, straight through the middle?
Diameter
Define the area of a circle
The space inside of a circle
How old is Mr Petersen?
21
What is the circumference of a circle?
The length around the outside of a circle
What is the name of the line that goes from the centre of the circle to the edge?
The radius
A circle has a radius of 4 inches. What is the diameter?
8 inches
The radius of a circle is 2cm. What is the area?
12.5cm2
Where is Mr Petersen from
Newcastle
True or False. If I know the diameter of a circle, I can find the circumference.
TRUE
True of False? The Radius of a circle is bigger than the Diameter.
FALSE
What is bigger, the radius or the diameter of a circle?
Diameter
Do we use the radius or the diameter to find the are of a circle?
The radius
What sport does Mr Petersen play?
Rugby League
The diameter of a circle is 4 cm. What is the circumference?
12.56 cm
The diameter of a circle is 100cm. What is the radius?
50cm
A circle has a radius of 22cm. What is the diameter?
44cm
The radius of a circle is 10cm. What is the area?
314cm2
Does Mr Petersen have any pets? If so what type?
Yes, 1 dog
The diameter of a circle is 1cm. What is the circumference?
3.14 cm
The diameter of a circle is 1 cm. What is the radius?
1/2 or 0.5cm
A circle has a radius of 31m. What is the diameter?
62m
The radius of a circle is 35cm. What is the area?
3848cm2
What is Mr Petersen's favourite subject other than Maths?
PDHPE
The diameter of a circle is 7.5cm. What is the circumference?
20.4cm
The diameter of a circle is 220m. What is the radius?
110m