Radius and Diameter

Front

What is the diameter of a circle with a radius of 10 inches?

Back

20 inches

Tags

CCSS.7.G.B.4

Front

What does 'circumference' mean?

Back

Distance around a circle.

Front

If the diameter of a circle is 27, what is the radius?

Back

13.5

Tags

CCSS.7.G.B.4

Front

What is the radius of a circle?

Back

The measurement from the center of a circle to an edge of the circle.

Front

What is the radius of a circle with a diameter of 40 ft?

Back

20 ft.

Tags

CCSS.7.G.B.4

Front

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

Back

Diameter = 2 x Radius.

Tags

CCSS.7.G.B.4

Front

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

Back

Radius = Diameter / 2.

Tags

CCSS.7.G.B.4

Front

If a circle has a circumference of 31.4 inches, what is its diameter?

Back

10 inches (using C = πD).

Tags

CCSS.7.G.B.4

Front

What is the relationship between radius and diameter?

Back

The diameter is twice the radius.

Tags

CCSS.7.G.B.4

Front

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

Back

31.4 inches (using C = 2πr).

Tags

CCSS.7.G.B.4