Finding Circumference

Front

What is the circumference of a circle?

Back

The circumference is the distance around a circle.

Front

What is the formula to calculate the circumference of a circle?

Back

Circumference = π × diameter or Circumference = 2 × π × radius.

Tags

CCSS.7.G.B.4

Front

If the diameter of a circle is 10 inches, what is the circumference?

Back

31.42 inches (using π ≈ 3.14).

Tags

CCSS.7.G.B.4

Front

What is the circumference of a circle with a radius of 5 cm?

Back

31.42 cm (using the formula C = 2 × π × r).

Tags

CCSS.7.G.B.4

Front

What does π (pi) represent in relation to circles?

Back

π (pi) is a constant approximately equal to 3.14, representing the ratio of the circumference to the diameter of a circle.

Tags

CCSS.HSG.GMD.A.1

Front

How do you find the diameter if you know the circumference?

Back

Diameter = Circumference / π.

Tags

CCSS.7.G.B.4

Front

What is the circumference of a circle with a diameter of 8 inches?

Back

25.12 inches.

Tags

CCSS.7.G.B.4

Front

If a circle has a circumference of 62.83 cm, what is its radius?

Back

10 cm (using the formula C = 2 × π × r).

Tags

CCSS.7.G.B.4

Front

What is the relationship between radius and diameter?

Back

Diameter = 2 × radius.

Tags

CCSS.7.G.B.4

Front

What is the circumference of a circle with a radius of 7 inches?

Back

43.98 inches.

Tags

CCSS.7.G.B.4