Starting from point A Tianna walks for 20 m till point C in north east direction before turning to her right. She walks 20 m again turning to her right stopping at point B. How far is point A from point B.
Answer & explanation
Correct answer: option 1
.PNG)
As , It is clearly seen that ACB is a right angeled triangle.
By using pythagoras theorem,
P² + B² = H²
20² + 20² = H²
H = 20\(\sqrt {2 }\) m