, 
- bases
= 
- lateral side = height
, 
- diagonals
Find the diagonals of a trapezoid if given lateral sides (height) and base, using The Pythagorean Theorem ( ) :
) :
Other formulas for diagonals as for a scalene trapezoid
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Trapezoid
- Side of a trapezoid
- Diagonal of a trapezoid
- Midline of a trapezoid
- Height of a trapezoid
- Sides of an isosceles trapezoid
- Diagonals of an isosceles trapezoid
- Midline of an isosceles trapezoid
- Height of an isosceles trapezoid
- Sides (bases) of a right trapezoid
- Lateral sides and height of a right trapezoid
- Diagonal of a right trapezoid
- Midline of a right trapezoid
- All basic formulas for trapezoid