Question

please solve this immediately , ill mark you brainiest if it helped

Answer 1

As AB is the side of a hexagon so the

$< aob = \frac{360 {}^{0} }{6} = 60{}^{0}$

AC is the side of an eight sided polygon so,

$< aoc = \frac{360 {}^{0} }{8} = 45 {}^{0}$

From the given figure we can see that :

∆BOC = ∆AOB + ∆AOC = 60⁰ + 45⁰ = 105⁰ Is your Answer.