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Showcase extra: the real practice and quiz players do not have this button.
Correct answer: 5
- Draw a right triangle on the grid: Make the two points the endpoints of the hypotenuse. The right angle is at .
- Find the horizontal leg: From to is units.
- Find the vertical leg: From to is units.
- Apply the Pythagorean Theorem:
- Evaluate and add: , so .
- Take the positive square root:
