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What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters
• 28.26 meters
• 56.52 meters
• 18 meters

What is the area of this circle?

• 201.06 square meters

• 50.24 square meters

• 123.12 square meters

• 25.12 square meters

What is the area of this circle?

• 62.59 cm²

• 113.1 cm²

• 18.84 cm²

• 28.26 cm²

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

• half
• twice
• triple

Find the area.

If the area of circle is 100 π , find the radius of the circle.

• 10 π
• 10
• 50
• 50 π

is the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

What is the area of this circle?

• 25π

• 10π

• π

• 5π

What is the area of this circle?

• 12π

• 6π

• 144π

• 36π