Lesson

What is the formula for finding the circumference of a circle?

• Circumference equals Pi times radius

• Circumference equals diameter squared

• Circumference equals Pi times radius squared

• Circumference equals Pi times diameter

Tags

CCSS.7.G.B.4

What does it mean to 'square' the radius?

• Multiply the radius by 2

• Divide the radius by 2

• Add the radius to itself

• Multiply the radius by itself

Tags

CCSS.7.G.B.4

Which formula is used to find the area of a circle?

• Area equals Pi times diameter

• Area equals Pi times radius squared

• Area equals Pi times diameter squared

• Area equals Pi times radius

Tags

CCSS.7.G.B.4

If the radius of a circle is 8 meters, what is the diameter?

• 4 meters

• 16 meters

• 8 meters

• 32 meters

Tags

CCSS.7.G.B.4

If a pizza has a diameter of 24 inches, what is its radius?

• 12 inches

• 24 inches

• 6 inches

• 48 inches

Tags

CCSS.7.G.B.4