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- 1. Multiple Choice
What is the value of x with a reason?
The angle at the center is equal to twice the angle at the circumference.
The angle at the center is equal to the angle at the circumference.
- 2. Multiple Choice
What is the value of angle D in the given circle? With a reason.
Given:Angle in the same segment.
Interior angles in a triangle equal
- 3. Multiple ChoiceName a chord.Segment XCSegment KMSegment HJLINE BD
- 4. Multiple Choice
If a line segment in drawn from the center of a circle onto a chord, what happens with the chord?
The chord disappears.
The chord is bisected.
The angles are 90 degrees.
The line from the center is perpendicular to the chord.
- 5. Multiple Choice
If a line is drawn from the center of a circle to the chord and it bisects the chord, what will the relationship between this line and the chord be?
They will be perpendicular
They will be parallel
They will be equal
The chord will be bisected
- 6. Multiple ChoiceA line that intersects a circle at exactly one pointsecantcirclechordtangent
- 7. Multiple ChoiceFind a.302160120
- 8. Multiple ChoiceDetermine y.306090180
- 9. Multiple ChoiceCalculate q.4014012852
- 10. Fill in the Blank
Knowing that Angle B is 30.0 degrees, what is the measure of angle DEB?
- 11. Fill in the Blank
Knowing that line AF is a tangent, C is the center of the circle, and angle F is 29.0 degrees, what is the measure of angle ECD?
- 12. Multiple Choice
Line CE is a perpendicular bisector for line AB.
If line CD is a measure of 6.0 cm, and line AB is a measure of 10.0 cm, what is the length of CF?
10 cm
6 cm
7.8 cm
5 cm
- 13. Multiple Choice
Line ST is a tangent to the circle at point P. What is the measure of angle (x + y)?
79
80
86
90
- 14. Multiple Choice
If point O is the center of the circle, what is length S?
*Do not round round till the end
The answer is rounded to the nearest tenth.
7.25
7.3
7.2
7.29
- 15. Fill in the Blank
The Earth’s diameter is 12,742 km. The horizon
is 32 km from the top of a lighthouse.
Determine the height of the lighthouse to the
nearest tenth of a meter.
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