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Do concentric circles have the same area?
Concentric circles have the same center. They are not necessarily the same size. If two concentric circles have the same area, then they are congruent, meaning they coincide when superimposed.
Why does Pi work for all circles?
Because all circles are similar.
Can a circles area be a fraction?
yes it can
What facts are there about the area of a circle?
The derivative of a circles area is it's circumference.
How do you work out the area between to circles one has a diameter of 3.5m and the other inside it is 3.1m?
area = pi*radius2Remember, to half the diameter to get the radius.Get the area of the outside circle, and the area of the inside circle, then take the inside area from the outside.I think it would be more helpful to you not to give you the answer. Work it out from this. If you are wondering what pi is, it is 3.14159
How can pi be used?
Pi (3.141...) is used for circles, and circles only. You use it to find the area and circumfrence.
What is the answer to finding the area of 4 semi-circles with the diameter of 10 centimeters?
-6
How is pie related to area of circles?
Area of any circle = pi*radius2
Is a sector a portion of a circle's area?
nope a portion of a circles area is a triangle
What is the formula for the area of circles?
pi (r^2)
Does Pi work for all circles?
Yes
What is the circles area if the diameter is 8?
Area of the circle = 16*pi square units
