{
  "rubric": "Fill in the blanks.",
  "attempts": "2",
  "case_sense": "0",
  "Questions": [
    [
      "A part of a line that has two end points is called a __________.",
      "line segment"
    ],
    [
      "A ray has __________ end point.",
      "one"
    ],
    [
      "An angle that measures exactly 90° is called a __________ angle.",
      "right"
    ],
    [
      "A figure that begins and ends at the same point is called a __________ figure.",
      "closed"
    ],
    [
      "The distance from the centre of a circle to its boundary is called the __________.",
      "radius"
    ]
  ]
}