All math areasGeometry, distance in the coordinate plane
Problem 1 of 23geo-001
In the standard coordinate plane, what is the distance between the points and ?
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Solution walkthrough1:24
- The straight-line distance between two points is the hypotenuse of a right triangle.
- Find the legs. Across: . Up: .
- In a right triangle, , so .
- , so .
- Watch for the traps: is just one leg, adds the legs, and is before the square root.