He watched her until verifying where she went before returning to the game.
Another method of verifying the formula is to take a point Q in the mid-section, and divide up the prismoid into two pyramids with vertex Q and bases ABCD ...
"Verifying your identity," Sasha said with a polite smile.
Though he concealed the fact under a show of irritation and contempt, he was evidently in despair that the sole remaining chance of verifying his theory by a huge experiment and proving its soundness to the whole world was slipping away from him.
I can bring you another one of the notes verifying that's where I am when I'm missing work.