Circles and Integers SOL Review.

The value of pi is the ratio of the ​ (a)   of a ​ (b)   to its ​ (c)   . Thus, the circumference of a circle is proportional to its diameter.

• circumference
• circle
• diameter
• radius

​ (a)   is the path or distance around any plane figure.

• Perimeter
• Area
• Length
• Width

The circumference of a circle is about _____times the measure of its diameter.

Mathematical Equivalence

ON

The ​ circumference of a circle is computed using ​ (a)   or ​ (b)   , where d is the ​ (c)   and r is the ​ (d)   of the circle.

• C = πd
• C = 2πr
• diameter
• radius

What is circumference?

• space inside of a circle

• a set of points equidistant from one another

• distance around a circle

• crosses through the center point across a circle

Select the correct formula for finding area of a circle

• l x w

The radius of a circle is ​ (a)   the diameter.

• half
• twice
• triple

A line that goes from one end of the circle to the other and crosses the center point.  

• center
• diameter
• dime eater
• radius

What is the formula for Circumference?

• C = π×r²
• C = 2×π×r