maths

• Area of squares

  base x height
• Area of rectangle

  base x height
• Area of triangle(3)

  (Base x Height) / 2
• Area of Trapezium

  (a+b x h)/2
• Area of parallelogram

  base x height
• Area of rhombus

  (length x height)/2
• Area of kite

  (length x height)/2
• Mean


  All the numbers added together divided by the number of values
• Range


  largest- smallest number
• Median


  middle number
• Mode


  the number that appears the most in a list of numbers
• To find the surface area


  You find the area of all the shapes and add them together
• In standard form what do the numbers have to be between


  1-9
• Sum of interior angles in a polygon

  (n-2) × 180°
• Sum of exterior angles in a polygon


  360°
• Measure of one exterior angle in a polygon


  360/ n
• Measure of one interior angle in a regular polygon

  180(n-2)/n
• Measure of one exterior angle in a regular polygon

  360° / n
• Volume of a cylinder

  $\pi r ^2 X h$