1. Height of an isosceles trapezoid if you know only sides or sides and angle at the base
, 
- bases
- leg (lateral side)
- angle at the base
- height
Calculate the height of a trapezoid if given all sides (bases and leg) ( ) :
) :
Calculate the height of a trapezoid if given lateral side (leg) and angle at the base ( ) :
) :
2. Height of an isosceles trapezoid if you know diagonal, angle between the diagonals and bases or midline
, - bases
- diagonals
, 
- angles between the diagonals
- midline
- height
Calculate the height of a trapezoid if given diagonal, bases and angle between the diagonals ( ) :
) :
Calculate the height of a trapezoid if given diagonal, midline and angle between the diagonals ( ) :
) :
3. Height of an isosceles trapezoid if you know area of a trapezoid
, - bases
- area
- midline
- height
Calculate the height of a trapezoid if given area and midline or bases ( ) :
) :
