| 1. | My feet strike an apex of the apices of the stairs. - from Leaves of Grass by Walt Whitman |
| 2. | "To resume, that was in a way the apex of my career. - from The Secret Adversary by Agatha Christie |
| 3. | Its total height, from the ground to the apex of the roof, could not have exceeded eighteen feet. - from The Works of Edgar Allan Poe by Edgar Allan Poe |
| 4. | Mr Power's soft eyes went up to the apex of the lofty cone. - from Ulysses by James Joyce |
| 5. | the word _lume_ light is written at the apex of the pyramid. - from The Notebooks of Leonardo Da Vinci, Complete by Leonardo Da Vinci |
| 6. | The other has the base towards the eye and the apex on the horizon. - from The Notebooks of Leonardo Da Vinci, Complete by Leonardo Da Vinci |
| 7. | pyramids with their point meeting a common apex and their bases opposite. - from The Notebooks of Leonardo Da Vinci, Complete by Leonardo Da Vinci |
| 8. | At sound of this, the cry of Life plunging down from Life's apex in the grip of Death, the fall pack at Buck's heels raised a hell's chorus of delight. - from The Call of the Wild by Jack London |
| 9. | The two limbs of the Y were connected at the apex as by a bar this bar was called Rue Droit-Mur. - from Les Miserables by Victor Hugo |