Area of Circles

What is the diameter of each chocolate wafer?

• 16 millimeters

• 8 millimeters

• 64 millimeters

• 32 millimeters

Tags

CCSS.7.G.B.4

What is the formula for the area of a circle?

• pi times diameter squared

• pi times radius squared

• 2 times pi times radius

• pi times diameter

Tags

CCSS.7.G.B.4

If the diameter of a circle is 16 millimeters, what is the radius?

• 4 millimeters

• 8 millimeters

• 16 millimeters

• 32 millimeters

Tags

CCSS.7.G.B.4

What is the approximate area of the circle using pi as 3.14?

• 64 square millimeters

• 201.06 square millimeters

• 200.96 square millimeters

• 128 square millimeters

Tags

CCSS.7.G.B.4

What is the more precise area of the circle using the calculator's internal representation of pi?

• 64 square millimeters

• 128 square millimeters

• 201.06 square millimeters

• 200.96 square millimeters

Tags

CCSS.7.G.B.4