Answer:
3 square roots of 19
Step-by-step explanation:
a squared + b squared = c squared
5 squared + b squared = 14 squared
25 + b squared = 196 squared
b squared = 171
b = square root of 171
b = 3 square roots of 19
hi
If your wall is straight , then. you have a rectangular traingle.
As Pythagoras tells us : wall² = ladder²- ground distance²
wall² = 14²- 5²
wall² = 196 -25
wall² = √171≈13,07
