1
Q
What is an arc?
A
A section of the circumference
2
Q
What is the diameter?
A
The straight line through the middle of the circle?
3
Q
What is the radius?
A
Half the diameter
4
Q
What is a segment?
A
A piece of the circle (chocolate orange)
5
Q
What is a chord?
A
Any line except the diameter
6
Q
What is a sector?
A
The section between the radius and the diameter (pizza)
7
Q
What is the formula for area?
A
πr²
8
Q
What is the formula for circumference?
A
π x D
9
Q
What is the circumference?
A
All the way around the outside of the circle
Maths
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