Circle Geometry Challenge

Calculate the circumference of a circle with a diameter of 14 cm. (Use π = 3.14)

• 50.24 cm

• 36.78 cm

• 28.26 cm

• 43.96 cm

Tags

CCSS.7.G.B.4

If the circumference of a circle is 31.4 cm, what is its diameter? (Use π = 3.14)

• 10 cm

• 8 cm

• 15 cm

• 12 cm

Tags

CCSS.7.G.B.4

What is the relationship between the circumference and diameter of a circle?

• Circumference = Diameter

• Circumference = π * Diameter

• Circumference = 2 * Diameter

• Circumference = Diameter^2

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 5 cm. (Use π = 3.14)

• 31.4 cm

• 10.5 cm

• 25.6 cm

• 15.7 cm

Tags

CCSS.7.G.B.4

If the circumference of a circle is 62.8 cm, what is its diameter? (Use π = 3.14)

• 30 cm

• 25 cm

• 20 cm

• 15 cm

Tags

CCSS.7.G.B.4

Calculate the circumference of a circle with a radius of 8 cm. (Use π = 3.14)

• 50.24 cm

• 60.24 cm

• 40.24 cm

• 45.24 cm

Tags

CCSS.7.G.B.4

If the circumference of a circle is 37.68 cm, what is its diameter? (Use π = 3.14)

• 18 cm

• 15 cm

• 10 cm

• 12 cm

Tags

CCSS.7.G.B.4

Determine the diameter of a circle with a circumference of 50.24 cm. (Use π = 3.14)

• 25 cm

• 12 cm

• 20 cm

• 16 cm

Tags

CCSS.7.G.B.4

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

• D = r/2

• D = r^2

• D = 2r

• D = r

Tags

CCSS.7.G.B.4

If the diameter of a circle is 10 cm, what is its circumference? (Use π = 3.14)

• 20.5 cm

• 28.2 cm

• 31.4 cm

• 15.7 cm

Tags

CCSS.7.G.B.4