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Measuring Circles: End-of-Unit Assessment (A) : TOPIC



3. Select all of the true statements.


A. is the area of a circle of radius 1.


B. is the area of a circle of diameter 1.


C. is the circumference of a circle of radius 1.


D. is the circumference of a circle of diameter 1

.

E. is the constant of proportionality relating the diameter of a circle to its

circumference.


F. is the constant of proportionality relating the radius of a circle to its area