maths

• What is the sum of angles on a straight line?

  180°
• What is the sum of angles around a point?

  360°
• What is the sum of angles in a triangle?

  180°
• What is the sum of angles in a quadrilateral?

  360°
• What do corresponding angles in parallel lines indicate?

  They are equal
• What do alternate angles in parallel lines indicate?

  They are equal
• What do co-interior angles in parallel lines indicate?

  They add up to 180°
• What are the angles in an equilateral triangle?

  60°
• What defines an isosceles triangle?

  Two angles and two sides are equal
• What characterizes a scalene triangle?

  All sides and angles are different
• What is a right-angled triangle?

  It has one angle of 90°
• What are the angles in a square?

  90°
• What defines a rectangle?

  Opposite sides are equal, angles are 90°
• What characterizes a parallelogram?

  Opposite sides and angles are equal
• What is a trapezium?

  It has one pair of parallel sides
• What is the sum of angles in a triangle?

  180°
• What is the sum of angles in a quadrilateral?

  360°
• What is the relationship between the angles 180°, 125°, and 55°?

  They sum to 180°
• How do the properties of triangles differ from quadrilaterals?

  Triangles have 3 sides, quadrilaterals have 4
• How do the angles in an equilateral triangle compare to those in a right-angled triangle?

  Equilateral has 60°, right-angled has 90°
• How do the properties of a square compare to those of a rectangle?

  Square has equal sides, rectangle has unequal sides
• What is the significance of angles in geometric shapes?

  They determine the shape's properties
• What is the probability of rolling a 4 on a fair die?

  $\frac{1}{6}$
• How do you calculate the probability of an event not happening?

  P(not event) = 1 - P(event)
• What does statistics involve?

  • Collecting data
  • Analyzing data
  • Interpreting data
• How is the mean calculated?

  Sum of values divided by number of values
• What is the median in a data set?

  Middle value when data is ordered
• What is the mode in a data set?

  Most frequent values in data
• How is the range calculated?

  Highest value minus lowest value
• What does probability measure?

  How likely an event is to happen
• What is the range of probability values?

  Between 0 and 1
• What does a probability of 0 mean?

  Event is impossible
• What does a probability of 1 mean?

  Event is certain
• What does a probability of 0.5 mean?

  Event is equally likely to happen
• What is the formula for calculating the probability of an event?

  P(event) = favorable outcomes / total outcomes
• How do the meanings of 0, 1, and 0.5 in probability differ?

  0 means impossible, 1 means certain, 0.5 means equally likely