Question

In ∆ABC angle B =90⁰ and ac²=2BC² then what is angle A ​

Answer 1

Answer:

45

ac² = bc² + bc² (given)

using Pythagoras Theorem

ac² = bc² + ab²

from these two equation ab²=bc²

hence ab=bc

angle a = angle c

using angle sum property of triangle angle A =45