Circle X with a radius of 6 units and circle Y with a radius of 2 units are shown.
Circle B is shown. Line segments C B, D B, and E B are radii. Angle C B E is 52 degrees and angle E B D is 160 degrees.

How are the semicircle and the diameter of a circle related?
Circle D is shown. Line segments E D, F D, and G D are radii. Angle E D F is 80 degrees and angle F D G is 35 degrees. Point H is on the other side of the circle.





In circle O, AC and BD are diameters.

Circle B is shown. Line segments C B, D B, and E B are radii and they form 3 congruent angles.

Circle B is shown. Line segments C B, D B, and E B are radii. Angle C B E is 52 degrees and angle E B D is 160 degrees.

In circle O, ST is a diameter.

Which is true regarding chords and diameters of circles?
Segments AC and BD are diameters of circle O.

Circle D is shown. Line segment F E goes through point D. Line segment C D is shown. Line segment G H goes from one side of the circle to the other side. Line segment A B is outside of the circle and intersects the circle at point B.



In circle O, SU is a diameter.

Segments AC and BD are diameters of circle O.

In circle O, RT and SU are diameters.

Circle D is shown. Line segment F E goes through point D. Line segment C D is shown. Line segment G H goes from one side of the circle to the other side. Line segment A B is outside of the circle and intersects the circle at point B.



How are the semicircle and the diameter of a circle related?
In circle O, ST is a diameter.

Circle D is shown. Line segment F E goes through point D. Line segment C D is shown. Line segment G H goes from one side of the circle to the other side. Line segment A B is outside of the circle and intersects the circle at point B.



Which is true regarding chords and diameters of circles?
In circle O, SU is a diameter.

In circle O, and are diameters. Arc ED measures 17°.

Circle X with a radius of 6 units and circle Y with a radius of 2 units are shown.
In circle O, and are diameters. The measure of arc DC is 50°.

Circle O is shown. Line segments B O and O C are radii. Point A is on the circle and is not within angle B O C.

Circle O is shown. Line segments B O and O C are radii. Point A is on the circle and is not within angle B O C.

In circle O, and are diameters. Arc ED measures 17°.

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