How to use "guessed" in a sentence

In the end, she guessed the correct answer and sent the information to Brion.

But - you've guessed it - something went wrong.

He noted the dead woman's height - 1.57m - and guessed her age, about 42

She guessed the time was about 3.30-4.00

"You guessed."

Sala guessed she was about nineteen.

you've guessed, haven't you?'