circles

what does the red line represent?

• Diameter

• Radius

• Chord

• Circumference

what does the red line represent?

• Diameter

• Radius

• Chord

• Circumference

Which segment is the diameter?

• AC

• BD

• LM

• CE

Which segment is a radius?

• LM

• DC

• BD

• ML

The _____________ of a circle is two times the radius.

• chord

• diameter

• circumference

Which is the correct definition of a circle?

• set of points on a flat surface with every point equidistant (same distance) from a given point called the centre.

• a special chord that goes through the center of a circle

• a line segment connecting any two points on a circle

• a line segment that extends between the center and the circle

A line segment connecting any two points on a circle is called a _____________.

• diameter

• chord

• radius

• circumference

what is this shape called

• circle

• semi circle

• moon

• triangle

The definition of circumference is

• distance from the center of any point on the circle.

• distance from one point to another

• distance around the circle

• distance from the center of any point on the circle

what is the formula for finding diameter

• r = 2 d

• d = 2 r

• a = m c²

• c = π 2 r