Parts of a Circle / Circumference

Front

What is the term for the distance around a circle?

Back

Circumference

Front

What is the term for a line segment that passes through the center of a circle and has its endpoints on the circle?

Back

Diameter

Front

What is the term for a line segment from the center of a circle to any point on the circle?

Back

Radius

Front

What is the formula for the circumference of a circle?

Back

Front

What is the formula for the area of a circle?

Back

Front

What is the approximate numerical value of π?

Back

3.14

Front

What is the term for a line segment whose endpoints lie on the circle but does not pass through the center?

Back

Chord

Front

If the radius of a circle is 7 cm, what is the circumference?

Back

@@C = 2 ext{π}(7) \\ C \\approx 43.96 ext{ cm}$$

Front

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

Back

5 cm

Front

What is the relationship between diameter and radius?

Back