This is the 14092nd most frequent Spanish word.
tendida
Laid out, stretched out, or hanging.
Here, 'tendida' is used as an adjective describing a state: being 'stretched out' or 'lying down'.
Ella estaba tendida en el suelo tras el accidente.
She was lying on the ground after the accident.
In this sentence, 'tendida' describes the state of the clothes being stretched out or hung for drying purposes.
La ropa está tendida en el patio para que se seque.
The clothes are hanging in the yard to dry.
Here, 'tendido' demonstrates a similar usage to describe the cable being extended between two points.