Circle measures in terms of Pi

What is the diameter of the circle in the image?

Mathematical Equivalence

ON

If the diameter of a circle is 4, what is the radius?

• 4

• 2π

• 4π

• 2

Tags

CCSS.7.G.B.4

If r = 4, d = ? (a)  

• 4
• 2
• 8
• 8π

If d = 3, r = ?

Mathematical Equivalence

ON

Fill in the blank. The circumference of a circle is the ________.

What is the area of this circle? (a)  

• 4π
• 8π
• 16π
• π

What is the area of this circle?

• 25π

• 10π

• π

• 5π

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 12π

• 6π

• 144π

• 36π

Tags

CCSS.7.G.B.4

What is the area of the circle in the image?

• 9π

• 12π

• 12

• 36π

Tags

CCSS.7.G.B.4

What is the area of the circle in the image? (a)  

• 10
• 20π
• 100
• 100π