1. Diagonal of an isosceles trapezoid if you know sides (leg and bases)
,
- bases
- leg (lateral side)
- diagonal
Find the diagonal of an isosceles trapezoid if given all sides (
) :

2. Diagonal of an isosceles trapezoid using the law of cosines
,
- bases
- leg (lateral side)
- diagonal
,
- angles at the base
Calculate the diagonal of a trapezoid if given base, lateral side and angle between them (
) :

3. Diagonal of an isosceles trapezoid if you know height, midsegment, area of a trapezoid and angle between the diagonals
,
- bases
- diagonal
,
- angles between the diagonals
- height
- midsegment
- area
Calculate the diagonal of a trapezoid if given height, midsegment, area of a trapezoid and angle between the diagonals (
) :

* It is true in this case:
4. Diagonal of an isosceles trapezoid if you know height, sides and angle at the base
- lower base
- upper base
- leg (lateral side)
- diagonal
- angle at the base
- height
Calculate the diagonal of a trapezoid if given height, sides and angle at the base (
) :
