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Circle theorem

Brodie McMeowface 10 questions 1,138 views 5.0 (1 rating)

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Questions in this quiz (10)

  1. 1Which circle theorem does this image show?Image for question 1
    1. AThe angle at the circumference is half that at the center
    2. BThe angle at the circumference is double that at the center
    3. CAngles in isosceles triangles are equal
  2. 2Angle x = [blank_start]100[blank_end] because angles at the center of a circle [blank_start]are double that at the circumference[blank_end].
    Also y = [blank_start]80[blank_end] [blank_start]for the same reason[blank_end].    Image for question 2
    1. A100
    2. B25
    3. C200
    4. Dare double that at the circumference
    5. Eare half that at the circumference
    6. Fare the same at the circumference
    7. G80
    8. H40
    9. I160
    10. Jfor the same reason
    11. Kbecause angles in a cyclic quadrilateral
    12. Lbecause angles in a triangle add to 180
  3. 3P = 40 ?Image for question 3
    1. ATrue
    2. BFalse
  4. 4d = 80 and a = (d/4) * 6
    Find and lable all angles in the image below:    Image for question 4
    1. A80
    2. B120
    3. C60
    4. D100
  5. 5What was the reason for your previous answers to this image?Image for question 5
    1. AAngles in a cyclic quadrilateral add to 180
    2. Bangles in a quadrilateral add to 360
    3. CAngles in the same segment are equal
  6. 6O is the centre of a circle
    Angle STU = [blank_start]90[blank_end],
    Angle z = [blank_start]59[blank_end],
    because [blank_start]the angle in a semicircle is 90[blank_end]    Image for question 6
    1. A90
    2. B45
    3. C60
    4. D59
    5. E89
    6. F104
    7. Gthe angle in a semicircle is 90
    8. Hangles in a triangle add to 180
    9. IHalf a cyclic quadrilateral is 90
  7. 7I have a circle with a tangent touching the diameter, Quinlan says the angle between the two is 270 degrees, is he right?
    1. ATrue
    2. BFalse
  8. 8What was the actual angle?
    1. A90
    2. B180
    3. C45
  9. 9Find angle EFG and angle EGO:Image for question 9
    1. A90
    2. B110
    3. C70
    4. D80
  10. 10Finally, which of the below are real circle theorems?
    1. AThe angle at the centre is twice the angle at the circumference
    2. BAngles in same segment are equal
    3. CThe angle in a semicircle is 90 degrees
    4. DOpposite angles in a cyclic quarilateral add to 180

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Description
A quick quiz on circle theorem
Language
English
Views
1,138
Rating
5.0 out of 5 · 1 rating
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