∠A and
∠
B
∠B are vertical angle. If m
∠
A
=
(
5
x

8
)
∘
∠A=(5x8)
∘
and m
∠
B
=
(
6
x

4
)
∘
∠B=(6x4)
∘
, then find the meaure of
∠
B
∠B