Diameter and Radius

Front

The distance halfway across the circle is called the...

Back

radius

Front

The distance from the center of the circle to any point on the circle is called the...

Back

radius

Front

The distance across the circle through the center is called the...

Back

diameter

Front

If the radius of a circle is 8 cm, the diameter is 16 cm. (TRUE/FALSE)

Back

TRUE

Front

If the diameter of a circle is 10 cm, the radius is 5 cm. (TRUE/FALSE)

Back

TRUE

Front

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

Back

Diameter = 2 × Radius

Front

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

Back

Radius = Diameter / 2

Front

What is the relationship between diameter and radius?

Back

Diameter is twice the radius.

Front

If a circle has a diameter of 12 cm, what is its radius?

Back

6 cm

Front

If the radius of a circle is doubled, what happens to the diameter?

Back

It also doubles.