Math ATube.com
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The area of a circle is the number of square units
inside that circle.
If each square in the circle to the bottom has an area
of 1 cm2, you could count the total number of
squares to get the area of the circle.
inside that circle.
If each square in the circle to the bottom has an area
of 1 cm2, you could count the total number of
squares to get the area of the circle.
Area of a Circle
A = the area
r = the radius of the circle
pi = 3.141592... or 3.14
r = the radius of the circle
pi = 3.141592... or 3.14
Formula for Area of a circle is
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The symbol for pi ¶ which is equal to 3.14
r squared = Radius squared
The area of a circle can be found by multiplying
pi ¶ (which is equal to 3.14) by the square of the
radius.
pi ¶ (which is equal to 3.14) by the square of the
radius.
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> Finding the Area of a Circle < you are here
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Using formula to find the area of a circle.
Example: If a circle has a radius of 4, then the area
would be
would be
Related pages
A = 3.14 x ( 4 x 4 )
= 3.14 x 16
= 50.24
= 3.14 x 16
= 50.24