Parts of a circle

Front

What is the part of a circle that connects two points on the circle?

Back

Chord

Front

What is the distance from the center of a circle to any point on the circle?

Back

Radius

Front

What is the longest chord in a circle?

Back

Diameter

Front

What is the center point of a circle called?

Back

Center

Front

What do you call a line segment that passes through the center of the circle and connects two points on the circle?

Back

Diameter

Front

What is the relationship between the radius and diameter of a circle?

Back

Diameter is twice the radius.

Front

If the radius of a circle is 5 cm, what is the diameter?

Back

10 cm

Front

If a chord is drawn in a circle, what can be said about the points it connects?

Back

They lie on the circumference of the circle.

Front

What is the term for a line that touches the circle at exactly one point?

Back

Tangent

Front

What is the area of a circle with a radius of 3 cm? (Use π ≈ 3.14)

Back

28.26 cm²