Question

a triangle ABC in which Angle B = 2 angle C

Answer 1

angle a=45
angle b=45
angle c=90
in this triangle
c = 2 b
as u asked
hope it helps you

Answer 2

$here \: this \: answer$



$c = 2(a + b) \\ = 3b \: or \: \\ 2(a + b) = 3b \: or \: \\ 2a + 2b = 3b \: or \\ b = 2a \\ c = 2(2a + 2a) = 6a \\ a + 2a + 6a = 180 \: or \: 9a = 180$



$i \: hope \: it \: is \: helpful \: to \: you$