Nycin
03.09.2019 •
Mathematics
If ebc = 31a - 2 and ebh = 4a + 45 find hbc
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Ответ:
The measure of angle HBC is m∠HBC=61°
Step-by-step explanation:
In this problem we have that
The line BH bisects angle EBC,
see the attached figure to better understand the problem
then
m∠EBC=m∠EBH+m∠HBC
m∠EBH=m∠HBC
so
m∠EBC=2(m∠EBH)
substitute the given values and solve for a
Find the measure of angle EBH
m∠EBH=(4(4)+45)=61°
Remember that
m∠EBH=m∠HBC
therefore
The measure of angle HBC is m∠HBC=61°
Ответ:
C
Step-by-step explanation:
x+16/x divided 2x/x+4
keep change flip