ProofThe Isosceles Triangle Theorem If in ABC we have AB AC
Proof:The Isosceles Triangle Theorem – If in ABC we have AB AC , then B C .
Proof:The Isosceles Triangle Theorem – If in ABC we have AB AC , then B C .
Solution
We can apply the SIN rule in a triangle.
We know that c/SINC = b/SINB
So, if c= b, then SINC = SINB
So, taking inverse both the sides
C=B
<Hence Proved>
