Central Angles

Question 1

Circle D is shown. Line segments G D, F D, and E D are radii. Point H is on the other side of the circle. Angle G D F is 83 degrees and angle F D E is 66 degrees.

Revolt · Accepted Answer

149°

Question 2

In circle O, SU is a diameter.

Revolt · Accepted Answer

130°

Question 3

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.

Revolt · Accepted Answer

m + 80 + 35 = 360

Question 4

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.

Revolt · Accepted Answer

212°

Question 5

In circle O, AC and BD are diameters.

Revolt · Accepted Answer

130°

Question 6

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.

Revolt · Accepted Answer

2:1

Question 7

Which is true regarding chords and diameters of circles?

Revolt · Accepted Answer

Both chords and diameters have two endpoints on a circle. Diameters must intersect the center of a circle.

Question 8

In circle O, RT and SU are diameters.

Revolt · Accepted Answer

64°

Question 9

Segments AC and BD are diameters of circle O.

Revolt · Accepted Answer

253°

Central Angles Answers

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