9514 1404 393
Answer:
6.01 m
Step-by-step explanation:
Apparently, the washing line is the hypotenuse of a right triangle with sides (2.1-1.7) = 0.4 m and 6 m. The Pythagorean theorem can be used to find its length.
ab = √(0.4² +6²) = √36.16 ≈ 6.0133
The distance ab is about 6.01 m.
