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What is the relationship between the area of a circle and its radius squared?
Wiki User
∙ 12y ago
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.
Wiki User
∙ 12y ago
lenpollock
Relationship between circle are and radius squa0red is
A(Area) = pi r^2(radius squared).
pi is the constant of proportionality for ALL circles . It has a value of 3.141592.....
However for elementary school work , pi = 3.14
NB Remember to other relationship with circles for circumference.
C = 2 pi r = pi d
Learn and commit to memory ;-
A = pi r^2 & C = 2 pi r
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