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Depends on what level of math you're on, the most simple of ways to explain is this: If you were to divide the circle into many pieces using the radius, let's say eight pieces. You then rearrange them into a parallelogram and each base is half of the circumference. The height of it is the radius, and using the method to find a parallelogram, BxH=A.
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How do you work out pi r squared?
That is the formula for the area of a circle; r refers to the radius, and pi is approximately 3.14. r squared means that you multiply r x r.
What is formula for pi r squared?
The area of a circle = pi*r2
How do you get area of a circle?
A=pi(r)squared
What is the relationship between the area of a circle and its radius squared?
The area of a circle is defined by the equation A = πr^2 where π = pi (3.14...) A = Area r^2 = radius squared So, the radius of a circle squared multiplied by pi equals the area.
Do you multiply the radius or the diameter of pi?
The raduis.It's pi, r squared. the r stands for radius!
