Circumference and Area of Circles Part 1

Front

What is the formula for the area of a circle?

Back

Front

What is the circumference of a circle?

Back

Front

What does diameter mean?

Back

The diameter is the distance across a circle, passing through the center, and is twice the length of the radius.

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. It is half of the diameter.

Front

If a circle has a diameter of 10 cm, what is its radius?

Back

The radius is 5 cm, since the radius is half of the diameter.

Front

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

Back

Front

What does area mean in geometry?

Back

Area refers to the amount of space inside a shape, measured in square units.

Front

How do you convert diameter to radius?

Back

To convert diameter to radius, divide the diameter by 2.

Front

What is the area of a circle with a diameter of 6 meters?

Back

Front

What is the relationship between diameter and circumference?

Back