AB=9m and BC=3m
Using Pythagoras theorem, In ΔABC
(AC)² +(AB)² +(BC)²
⇒(AC)² =(9)² + (5)²
⇒(AC)² =81 + 25
⇒(AC)² =106
⇒AC=10.3m
=AC+CB=10.3+3=13.3m
1.6m questions
2.0m answers