[
  {
    "Question": "What is the sum of the interior angles of a triangle?",
    "Answer": "B",
    "Explanation": "The sum of the interior angles of any triangle is always 180 degrees.",
    "PictureURL": "",
    "OptionA": "90 degrees",
    "OptionB": "180 degrees",
    "OptionC": "360 degrees",
    "OptionD": "270 degrees",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Sum of Triangle Angles",
    "Item": 1,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "In a circle, what is the name of the line segment that passes through the center and touches two points on the circle?",
    "Answer": "C",
    "Explanation": "A diameter is a chord that passes through the center of the circle, connecting two points on the circle.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Circle-with-diameter.svg/220px-Circle-with-diameter.svg.png",
    "OptionA": "Radius",
    "OptionB": "Chord",
    "OptionC": "Diameter",
    "OptionD": "Tangent",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Circle Diameter",
    "Item": 2,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "What is the perimeter of a rectangle with length 8 cm and width 5 cm?",
    "Answer": "A",
    "Explanation": "Perimeter of a rectangle = 2 × (length + width) = 2 × (8 + 5) = 26 cm.",
    "PictureURL": "",
    "OptionA": "26 cm",
    "OptionB": "40 cm",
    "OptionC": "13 cm",
    "OptionD": "20 cm",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Rectangle Perimeter",
    "Item": 3,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "Which of the following quadrilaterals always has four right angles?",
    "Answer": "D",
    "Explanation": "A rectangle always has four right angles (90 degrees).",
    "PictureURL": "",
    "OptionA": "Rhombus",
    "OptionB": "Parallelogram",
    "OptionC": "Trapezoid",
    "OptionD": "Rectangle",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Quadrilateral Angles",
    "Item": 4,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "What is the area of a triangle with base 10 cm and height 6 cm?",
    "Answer": "B",
    "Explanation": "Area of a triangle = 1/2 × base × height = 1/2 × 10 × 6 = 30 cm².",
    "PictureURL": "",
    "OptionA": "60 cm²",
    "OptionB": "30 cm²",
    "OptionC": "16 cm²",
    "OptionD": "20 cm²",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Triangle Area",
    "Item": 5,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "How many sides does a regular hexagon have?",
    "Answer": "C",
    "Explanation": "A hexagon has 6 sides by definition.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Regular_hexagon.svg/220px-Regular_hexagon.svg.png",
    "OptionA": "5",
    "OptionB": "7",
    "OptionC": "6",
    "OptionD": "8",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Hexagon Sides",
    "Item": 6,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "What is the measure of each interior angle in a regular pentagon?",
    "Answer": "B",
    "Explanation": "Sum of interior angles = (5 - 2) × 180 = 540 degrees. Each angle = 540 ÷ 5 = 108 degrees.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Regular_pentagon.svg/220px-Regular_pentagon.svg.png",
    "OptionA": "90 degrees",
    "OptionB": "108 degrees",
    "OptionC": "120 degrees",
    "OptionD": "100 degrees",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Pentagon Interior Angle",
    "Item": 7,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "If two angles in a triangle are 45° and 55°, what is the third angle?",
    "Answer": "D",
    "Explanation": "Sum of angles in triangle = 180°. Third angle = 180 - (45 + 55) = 80°.",
    "PictureURL": "",
    "OptionA": "90°",
    "OptionB": "100°",
    "OptionC": "70°",
    "OptionD": "80°",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Triangle Missing Angle",
    "Item": 8,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "What is the length of the radius of a circle with diameter 14 cm?",
    "Answer": "A",
    "Explanation": "Radius is half the diameter, so radius = 14 ÷ 2 = 7 cm.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Circle-with-diameter.svg/220px-Circle-with-diameter.svg.png",
    "OptionA": "7 cm",
    "OptionB": "14 cm",
    "OptionC": "28 cm",
    "OptionD": "21 cm",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Circle Radius",
    "Item": 9,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "Which polygon has all sides and all angles equal?",
    "Answer": "C",
    "Explanation": "A regular polygon has all sides and all angles equal.",
    "PictureURL": "",
    "OptionA": "Irregular polygon",
    "OptionB": "Concave polygon",
    "OptionC": "Regular polygon",
    "OptionD": "Scalene polygon",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Polygon Types",
    "Item": 10,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "What is the area of a square with side length 9 cm?",
    "Answer": "B",
    "Explanation": "Area of a square = side × side = 9 × 9 = 81 cm².",
    "PictureURL": "",
    "OptionA": "18 cm²",
    "OptionB": "81 cm²",
    "OptionC": "36 cm²",
    "OptionD": "72 cm²",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Square Area",
    "Item": 11,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "In a right triangle, one angle is 90°. If another angle is 35°, what is the third angle?",
    "Answer": "A",
    "Explanation": "Sum of angles in triangle = 180°. Third angle = 180 - (90 + 35) = 55°.",
    "PictureURL": "",
    "OptionA": "55°",
    "OptionB": "45°",
    "OptionC": "35°",
    "OptionD": "90°",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Right Triangle Angles",
    "Item": 12,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "What is the perimeter of an equilateral triangle with side length 7 cm?",
    "Answer": "C",
    "Explanation": "Perimeter of equilateral triangle = 3 × side = 3 × 7 = 21 cm.",
    "PictureURL": "",
    "OptionA": "14 cm",
    "OptionB": "28 cm",
    "OptionC": "21 cm",
    "OptionD": "24 cm",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Equilateral Triangle Perimeter",
    "Item": 13,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "Which angle is formed by two radii of a circle?",
    "Answer": "B",
    "Explanation": "The angle formed by two radii is called a central angle.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Circle_central_angle.svg/220px-Circle_central_angle.svg.png",
    "OptionA": "Inscribed angle",
    "OptionB": "Central angle",
    "OptionC": "Exterior angle",
    "OptionD": "Alternate angle",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Circle Angles",
    "Item": 14,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  },
  {
    "Question": "What is the area of a trapezoid with bases 8 cm and 5 cm and height 4 cm?",
    "Answer": "D",
    "Explanation": "Area of trapezoid = 1/2 × (sum of bases) × height = 1/2 × (8 + 5) × 4 = 26 cm².",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Trapezoid.svg/220px-Trapezoid.svg.png",
    "OptionA": "52 cm²",
    "OptionB": "20 cm²",
    "OptionC": "40 cm²",
    "OptionD": "26 cm²",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Plane Geometry Practice Test",
    "Content Type": "Question",
    "Title": "Trapezoid Area",
    "Item": 15,
    "Type": "multiple choice",
    "Path": "Math/Plane Geometry"
  }
]