Parts of a Circle (note Pi = 3.14)

Front

What line divides a circle in half?

Back

Diameter

Front

The radius is longer than the diameter.

Back

False

Front

What is the circumference of a circle if the diameter is 10 feet?

Back

31.4 feet

Front

Area of the circle?

Back

113.04 cm²

Front

What is the area?

Back

39.25 cm²

Front

If I cut a circle in half it is called a semi-circle.

Back

True

Front

To find the area of a semi-circle, I divide the area of the whole circle by 4.

Back

False

Front

What is the circumference of a pool with a diameter of 20 feet?

Back

62.8 feet

Front

My pool has a diameter of 20 feet. What is the area of my pool?

Back

314 feet²

Front

What part of the circle is my tire? Options: radius, diameter, area, circumference

Back

circumference