In a △ ABC, AB = AC and AD ⊥ BC, BE ⊥ AC and CF ⊥ AB. Then about which of the following is the triangle symmetrical?
AD
In the △ ABC,
Given: AB = AC
AD ⊥ BC, BE ⊥ AC and CF ⊥ AB
Since, AB = AC (given), the line AD will divide △ABC into two equal halves.
∴ △ABC is symmetrical about the line AD.