Question

ABC is an isosceles triangle with AB = AC
Angle ACB = 55 degrees

Work out angle q, p and r

Answer 1

it is not clear what  q , p and r  are ...

If AB = AC,  then ∠ACB = ∠ABC = 55°
 Hence,  ∠CAB  = 180- 2 * 55 = 70°