Radius & Diameter

Front

What is the distance from the center of a circle to any point on the circle called?

Back

Radius

Front

If a circle has a diameter of 36 ft, what is the radius?

Back

18 ft

Front

True or False: If the diameter of a circle is 10 cm, the radius is 5 cm.

Back

True

Front

How do you find the radius of a circle if the diameter is given?

Back

Divide the diameter by 2.

Front

What is the diameter of a circle if the radius is 15?

Back

30

Front

What is the formula to calculate the diameter from the radius?

Back

Diameter = 2 x Radius

Front

If a circle has a radius of 20 cm, what is its diameter?

Back

40 cm

Front

What is the relationship between radius and diameter?

Back

The diameter is twice the radius.

Front

If the diameter of a circle is 40 ft, what is the radius?

Back

20 ft

Front

What is the radius of a circle with a diameter of 100 cm?

Back

50 cm