Diameter and Radius Review

Front

A straight line from the center of a circle to the circumference is called the ____.

Back

Radius

Front

A straight line segment that passes through the center of a circle and whose endpoints lie on the circumference of the circle is called the ____.

Back

Diameter

Tags

CCSS.HSG.C.A.2

Front

What is the relationship between the radius and diameter of a circle?

Back

The diameter is twice the length of the radius.

Tags

CCSS.7.G.B.4

Front

If the radius of a circle is 6 m, what is the diameter?

Back

12 m

Tags

CCSS.7.G.B.4

Front

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

Back

5 m

Tags

CCSS.7.G.B.4

Front

What is the formula for calculating the circumference of a circle?

Back

Circumference = π × Diameter or Circumference = 2 × π × Radius

Tags

CCSS.7.G.B.4

Front

What is the area of a circle with a radius of 3 m?

Back

Area = π × (Radius)^2 = π × (3)^2 = 9π m²

Tags

CCSS.7.G.B.4

Front

If a circle has a diameter of 8 m, what is its radius?

Back

4 m

Tags

CCSS.7.G.B.4

Front

True or False: The radius can be longer than the diameter.

Back

False

Front

What do you call the distance around a circle?

Back

Circumference