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Mathematics
9th -
10thgrade
Circles - Chords, Tangents, Arcs, Sectors (Regular)
50 questions
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- 1. Multiple ChoiceHow many degrees are in a cirlce?90180270360
- 2. Multiple Choice
What is the measure of arc PQ?
100°
140°
180°
120°
- 3. Multiple ChoiceWhat best describes segment AB?chordsecanttangentdiameter
- 4. Multiple ChoiceA tangent is a line that _______.passes through the center of the circleintersects the circle at two pointsintersects the circle at one pointfollows the circumference of a circle
- 5. Multiple ChoiceWhat can you conclude from the picture?m is parallel to circle Cm is skew to circle Cm bisects circle Cm is tangent to circle C
- 6. Multiple ChoiceQS is a tangent to circle P. Find QS.144141213
- 7. Multiple ChoiceFind the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.9.2 sq. in.10.5 sq. in.31.4 sq. in.38.2 sq. in.
- 8. Multiple Choiceis the formula for?arc lengtharea of a sectorarea of a segmentarc measure
- 9. Multiple Choice
You stop for lunch at a local pizza shop where each pizza is cut into 8 slices. Would your hunger be better satisfied with one slice from a 16 inch pizza or two slices from a 12 inch pizza (measurements given are diameters) 🍕
One Slice
Two Slices
- 10. Multiple ChoiceFIND THE ARC LENGTH OF THE BOLDED ARCABCD
- 11. Multiple Choiceis the formula for?arc lengtharea of a sectorarea of a segmentarc measure
- 12. Multiple ChoiceWhat is the area of the shaded region? Round to the nearest hundredth.78.53314.1628.5458.54
- 13. Multiple ChoiceA tangent line intersecting with a radius always creates a ____________ anglerightacuteobtusestraight
- 14. Multiple ChoiceIs line AB tangent to the circle?YESNO
NOCan't Tell
Can't Tell - 15. Multiple ChoiceWhat is the value of x?22251520
- 16. Multiple Choice
Find x. Assume that segments that appear tangent are tangent.
10
6
7
17
- 17. Multiple ChoiceIn a circle (or congruent circles), congruent central angles:are 60 degreeshave congruent pointshave congruent arcsspell out the word "dracula"
- 18. Multiple Choice
In a circle (or congruent circles), congruent central angles:
have congruent chords
have congruent points
have similar names
always use central time 😋
- 19. Multiple ChoiceIn a circle (or congruent circles), chords that are the same distance from the center:are similarhave the same nameare congruent to each otherare walking dead
- 20. Multiple ChoiceIn a circle, if a diameter is is perpendicular to a chord, then:it bisects the chordit bisects the corresponding arcit bisects BOTH the chord and its arcnone of these answers are correct
- 21. Multiple Choice
What is the length of segment ST?
6√2
6√3
12√2
6√3
- 22. Multiple Choice
What is the value of x?
10
11
12
13
- 23. Multiple ChoiceSolve for x.3.69.211.514.3
- 24. Multiple Choice
Always, Sometimes, or Never: A chord is __?__ a diameter.
Always
Sometimes
Never
- 25. Multiple Choice
Always, Sometimes, or Never: A radius is __?__ a chord.
Always
Sometimes
Never
- 26. Multiple Choice
Always, Sometimes, or Never: A chord is __?__ a tangent segment.
Always
Sometimes
Never
- 27. Multiple Choice
Always, Sometimes, or Never: Two diameters in the same circle __?__ intersect at the center of the circle.
Always
Sometimes
Never
- 28. Multiple Choice
Determine the measure of ∠NOP
15°
20°
40°
50°
- 29. Multiple Choice
Determine the measure of ∠UVS
19.5°
39°
78°
102°
- 30. Multiple Choice
Find the measure of arc NL
21°
42°
45°
84°
- 31. Multiple Choice
If you are given a radius and asked to find the diameter what do you do?
Divide the radius by 2
Square the radius
Multiply the radius by 2
Take the square root of the radius
- 32. Multiple Choice
What part of the circle is present?
Tangent
Secant
Chord
Diameter
- 33. Multiple Choice
What part of the circle is present?
diameter
radius
chord
secant
- 34. Multiple Choice
Can a secant be a tangent?
yes they are both the same line
yes they are both parts of a circle
No secant intersects twice and tangent intersects once
No they both have nothing to do with circles
- 35. Multiple ChoiceFind the measure of angle ABD.14513765
- 36. Multiple ChoiceSolve for x.293341.550
- 37. Multiple ChoiceWhat is the measure of angle 2?804512540
- 38. Multiple ChoiceSegments with endpoints on a circle are called _____.arcsradiichordspolygons
- 39. Multiple ChoiceName a secant.BDDGHFAF
- 40. Multiple ChoiceWhat is the measure of arc KL?108106110112
- 41. Multiple ChoiceFind the m∠1.130⁰65⁰44⁰86⁰
- 42. Multiple ChoiceFind the measure of minor arc AV.55°115°85°95°
- 43. Multiple ChoiceIn the equation (x-3)2+(y-2)2=16, the center of the circle is...(3,2)(-3, -2)(-2, -3)(2, 3)
- 44. Multiple ChoiceIn the equation (x+2)2+(y-3)2=4, the radius of the circle is...42316
- 45. Multiple ChoiceWrite the standard equation of the circle with the given center and radius; center (0,0) and radius: 3x2+y2=3x2+y2=6x2+y2=9
- 46. Multiple ChoiceWhich graph corresponds to
(x)2+ (y-6)2=9ABCD - 47. Multiple Choice
What is the equation of the circle?
(x+1)2 + (y +1)2 = 3
(x+1)2 + (y -1)2 = 3
(x+1)2 + (y +1)2 = 9
(x-1)2 + (y -1)2 = 9
- 48. Multiple Choice
What is the standard equation of a circle?
(x-k)2 + (y-h)2 = r2
(x+h)2 + (y+k)2 = r2
(x-h)2 + (y-k)2 = r2
(k-x)2 + (h-y)2 = r2
- 49. Multiple Choice
What does (h,k) standard for in the standard circle equation?
(h,k) is the center of the circle
(h,k) is a point on the circle.
(h,k) is a point that we guess and find
(h,k) is the distance of the circle
- 50. Multiple Choice
A circle has a center at (2, 3). A point on the circle is at (5, 7). What is the radius of this circle?
r = 5
r = 25
can't tell
- Answer choicesTagsAnswer choicesTags