Radius and Diameter

Front

What is the diameter of a circle?

Back

The diameter is the distance across a circle through its center, equal to twice the radius.

Tags

CCSS.HSG.C.A.2

Front

If the diameter of a circle is 10 in, what is the radius?

Back

5 in

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

What is the radius of a circle when the diameter is 70 m?

Back

35 m

Tags

CCSS.7.G.B.4

Front

What is the relationship between radius and diameter?

Back

The diameter is twice the length of the radius.

Tags

CCSS.7.G.B.4

Front

If a radius of a circle is 24 m, what is the diameter?

Back

48 m

Tags

CCSS.7.G.B.4

Front

What is the radius of a circle with a diameter of 188 cm?

Back

94 cm

Tags

CCSS.7.G.B.4

Front

Is the red line a radius or diameter of the circle?

Back

Radius

Front

What is the diameter of a circle with a radius of 12 m?

Back

24 m

Tags

CCSS.7.G.B.4

Front

What is the circumference of a circle if the radius is 7 cm?

Back

Circumference = 2 * π * radius = 2 * π * 7 cm ≈ 43.98 cm

Tags

CCSS.7.G.B.4