The formula for the area of a circle is A = πr2. What do the letters A and r represent?
Answer
A is the area of the circle, and r is the radius of the circle.
The formula for the area of a circle is A = πr2. Which is the dependent and which is the independent variable?
A is dependent, r is independent.
The formula for the area of a circle is A = πr2. Let H be the area of half a circle. Write a formula describing H in terms of r.
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