Question

Which is the measure of XBA if ray BA bisects XBY, which measures 86 grades?

Answer 1

∠XBA=43°

Explanation:

we know that

If ray BA bisect angle ∠XBY

then

∠XBA=∠XBY/2

we have

∠XBY=86°

substitute

∠XBA=86°/2=43°