Starter quiz

  • This quadrilateral is a rhombus. What is the size of angle <Math>x</Math>?
    This quadrilateral is a rhombus. What is the size of angle x?
    • '128' ✓
  • This quadrilateral is a rhombus. What is the size of angle <Math>r</Math>?
    This quadrilateral is a rhombus. What is the size of angle r?
    • '28' ✓
  • This quadrilateral is a rhombus. What is the perimeter of this rhombus (in cm)?
    This quadrilateral is a rhombus. What is the perimeter of this rhombus (in cm)?
    • '144' ✓
  • The rhombus on the right is congruent to the rhombus on the left, with one diagonal drawn. Which of these statements correctly describes the rhombus after its diagonal has been drawn on?
    The rhombus on the right is congruent to the rhombus on the left, with one diagonal drawn. Which of these statements correctly describes the rhombus after its diagonal has been drawn on?
    • The rhombus has been split into two scalene triangles.
    • The rhombus has been split into two isosceles triangles.  ✓
    • The angle of 80° has been bisected.  ✓
    • The angle of 80° has been cut exactly in half.  ✓
    • All angles in the rhombus are now 40°.
  • Both rhombi are congruent, with the right-hand rhombus having both diagonals drawn on. Match the angles in the rhombus to its size.
    Both rhombi are congruent, with the right-hand rhombus having both diagonals drawn on. Match the angles in the rhombus to its size.
    • a
      ⇔
      118° ✓
    • b
      ⇔
      31° ✓
    • c
      ⇔
      59° ✓
    • d
      ⇔
      90° ✓
  • Which of these quadrilaterals have the correct feathers, hash marks, and/or angle markers that confirm the shape is a rhombus?
    Which of these quadrilaterals have the correct feathers, hash marks, and/or angle markers that confirm the shape is a rhombus?
    • a
    • b  ✓
    • c
    • d
    • e  ✓
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