Tutorial
GCSE Maths: Circumference and Area of a Circle
Learn the terminology of circles (radius, diameter, circumference) and the formulae to calculate the circumference and area of a circle, as well as for semicircles and quarter circles.
Tutorial
GCSE Maths: Circumference and Area of a Circle
Learn the terminology of circles (radius, diameter, circumference) and the formulae to calculate the circumference and area of a circle, as well as for semicircles and quarter circles.
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Deck Contents
22 CardsLesson#1
In this deck, we'll explore circles. You will learn the names for the key parts of a circle, and the famous formulae used to calculate the distance around the outside and the space inside.
Quiz#2
What is the name for the distance from the centre of a circle to its edge?
radius
Quiz#3
What is the name for the distance from one side of a circle to the other, passing through the centre?
diameter
Lesson#4
The radius and diameter are directly related. The diameter is always exactly twice as long as the radius. Or, to put it another way, the radius is half the length of the diameter.
Quiz#5
How many times bigger is the diameter of a circle than its radius?
two
Quiz#6
What is the name for the distance all the way around the outside of a circle?
circumference
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