Circles- Radius, Diameter, Circumference, and Area

Front

What is the formula to find the area of a circle?

Back

Front

What is the radius of a circle?

Back

The radius is the distance from the center of the circle to any point on its circumference.

Front

What is the circumference of a circle?

Back

Front

What is the diameter of a circle?

Back

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

Front

How do you calculate the circumference of a circle if you know the diameter?

Back

Front

What is the relationship between radius and diameter?

Back

Front

What is the formula for the area of a circle in terms of diameter?

Back

Front

If the radius of a circle is 3 cm, what is its area?

Back

Front

If the circumference of a circle is 31.4 cm, what is the radius?

Back

Front

What is the circumference of a circle with a radius of 7 m?

Back