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Oak MathsTest · Maths

Checking and securing understanding of the parts of a circle

The starter and exit quiz of the lesson “Checking and securing understanding of the parts of a circle”, from the unit “Circle theorems” (Year 10 Maths) by Oak National Academy.

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Oak National Academy

12 questions

  1. What is the dashed line segment on this circle called?
  2. The length of the diameter of this circle is ___ cm.
  3. The diameter of a circular fence is greater than 8 metres long. Which of these are possible lengths of the radius of this fence?
  4. A semicircular sector has been cut from a full circle of equal radius.What fraction of the full circle is this sector?
  5. This sector has been cut from a circle.What fraction of the full circle is this sector?
  6. This circular sector is broken down into two straight line segments and an arc.The perimeter of this arc is ___ cm.
  7. What is the dashed line segment on this circle called?
  8. What is the shaded region on this circle called?
  9. Which of these statements are always correct?
  10. The size of the angle subtended by chord AB is ___ degrees.
  11. The size of the angle subtended by chord AC is ___ degrees.
  12. ∠XOY is a 60° angle at the centre of a circle subtended by the arc XY.The circle has a radius of 42 cm.The area of the sector OXY is ___ cm² (2 s.f.)

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Checking and securing understanding of the parts of a circle · Examplary