Answer: √2.
- A 2
- B 0
- C 1
- D √2
Correct answer: D. √2
Explanation: √((1−0)² + (0−1)² + 0²) = √2.
Concept context
Coordinate axes and planes in space, octants, distance between two points, and the section formula
Read the full Introduction to Three Dimensional Geometry notes →