Point H is the incenter of triangle ABC. Find angle HAC.

a. 20 degrees
b. 24 degrees
c. 28 degrees
d. 32 degrees

Question

Point H is the incenter of triangle ABC. Find angle HAC. 

  a. 20 degrees   
  b. 24 degrees   
  c. 28 degrees   
  d. 32 degrees

anonymous · Answer

attachment

anonymous · Answer

ha oh man this is involved. is 11 BH?

jim_thompson5910 · Answer

H is the incenter, so it's the point where all the angle bisectors meet

anonymous · Answer

yes it is @Transfiguration

jim_thompson5910 · Answer

yes there's a lot going on, but much of it is unnecessary and added to confuse

anonymous · Answer

cool working on it

anonymous · Answer

still working on it

anonymous · Answer

lol ok thanks

anonymous · Answer

alright i don't what's wrong with me. I keep getting angle HAC to be 16.26 degrees and that's obviously not right

jim_thompson5910 · Answer

|dw:1349582338058:dw|

jim_thompson5910 · Answer

the incenter is at the point where all the angle bisectors cross

anonymous · Answer

jim_thompson5910 · Answer

you don't need heron's formula for this

jim_thompson5910 · Answer

|dw:1349582416126:dw|

anonymous · Answer

so it's d, 32 degrees

anonymous · Answer

good call on the bisectors. i totally thought that wasn't true, but yeah if h is the middle then they are.