circumference of a circle

Front

What is the circumference of a circle?

Back

The measurement around the circle.

Front

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

Back

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

Front

What is the diameter of a circle?

Back

The distance across the circle through its center.

Front

What is the radius of a circle?

Back

The distance from the center of the circle to any point on its edge.

Front

If the diameter of a circle is 14 cm, what is the radius?

Back

7 cm.

Front

If the radius of a circle is 18 cm, what is the diameter?

Back

36 cm.

Front

Calculate the circumference of a circle with a radius of 14 cm.

Back

87.92 cm.

Front

Calculate the circumference of a circle with a diameter of 10 cm.

Back

31.4 cm.

Front

What is π (pi)?

Back

A mathematical constant approximately equal to 3.14, used in calculations involving circles.

Front

If the circumference of a circle is 43.98 cm, what is the diameter?

Back

14 cm.