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Oak MathsTest · Maths

Congruence in shapes

The starter and exit quiz of the lesson “Congruence in shapes”, from the unit “Geometrical properties: similarity and Pythagoras' theorem” (Year 9 Maths) by Oak National Academy.

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Oak National Academy

12 questions

  1. Which transformations always produce an image that is congruent to the object?
  2. When two shapes are congruent, which property of the shapes always remain invariant?
  3. The table shows the base and height of four rectangles. Which rectangle is congruent to a rectangle that is 6 cm by 3 cm?
  4. Which triangle is congruent to triangle T?
  5. Angles in a quadrilateral sum to ___°.
  6. The diagram shows a pair of angles on parallel lines. When x=145, y=___.
  7. Triangles A and B are congruent. Match each unknown length from triangle B with its size.
  8. Triangles A and B are congruent. Match each unknown angle from triangle B with its size.
  9. The image shows two congruent hexagons. What is the size of the angle x°?
  10. The image shows two congruent pentagons. What is the value of x?
  11. Shape T is a trapezium. Which quadrilateral contains enough information to determine whether it is congruent to shape T?
  12. Shape R is a rhombus. Which quadrilateral is not congruent to shape R?

License: OGL

Congruence in shapes · Examplary