CIRCUMFERENCE+AREA OF A CIRCLE

Front

What is the formula for the area of a circle?

Back

Front

What is the formula for the circumference of a circle?

Back

Front

What does the term 'diameter' mean in relation to a circle?

Back

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

Front

What does the term 'radius' mean in relation to a circle?

Back

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

Front

If the radius of a circle is 10 inches, what is the area?

Back

Front

If the diameter of a circle is 20 inches, what is the circumference?

Back

Front

What is the value of π (pi) used in calculations?

Back

The value of π (pi) is approximately 3.14, but it is an irrational number and its decimal representation goes on infinitely.

Front

How do you convert diameter to radius?

Back

Front

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

Back

Front

What is the area of a circle with a diameter of 12 inches?

Back