`1.  Side (base) of an isosceles trapezoid if you know other base and midline of a trapezoid  `  , -  bases - midline

Calculate the base of an isosceles trapezoid if given middle line and other base  ( a b  ) :  `2.  All four sides of an isosceles trapezoid if you know height, angle at the base and other sides  `  - smaller base - larger base -  leg -  angle  at the base - height

Calculate the lateral side (leg) of a trapezoid if given angle at the base, height or bases  ( c  ) :  Calculate the base of a trapezoid if given angle at the base, height and other base  ( a b  ) :  Calculate the base of a trapezoid if given angle at the base, lateral side (leg) and other base  ( a b  ) :  `3.  Bases of an isosceles trapezoid if you know height, diagonals and angle between the diagonals  `  - smaller base - larger base -  leg -  diagonal , -  angles between the diagonals - height

Calculate the side (base) of a trapezoid if given diagonal, lateral side (leg) and other base ( a b  ) :  Calculate the lateral side (leg) of a trapezoid if given diagonal and bases ( c  ) : Calculate the side (base) of a trapezoid if given diagonal, height, angle between the diagonals and base ( a b  ) :  * It is true in this case: `4.  Sides of an isosceles trapezoid if you know area of a trapezoid  `  , -  bases -  leg -  midline , -  angles at the base - height - area

Calculate the side (base) of a trapezoid if given area of a trapezoid ( a b  ) :  Calculate the lateral side (leg) of a trapezoid if given area of a trapezoid ( c  ) :  * It is true in this case: 