$\"\"$

The height of the trapezoid is h, bases are 26 cm and 12.5 cm and area is 192.5 $\"\"$ .

Area of a trapezoid is $\"\"$

$\"\"$ (Substitute 26 for $\"\"$ ,12.5 for $\"\"$ and 192.5 for A)

$\"\"$ (Add: $\"\"$ )

$\"\"$ (Divide: $\"\"$ ) $\"\"$

$\"\"$ (Divide each side by 19.25)

$\"\"$ (Cancel common terms)

$\"\"$ (Divide: $\"\"$ ) $\"\"$

The heigth of the trapezoid is $\"\"$ .