in triangle abc, m

Question

in triangle abc, m<a=3x, m<b=4x-19, and m<c=3x-1. which statement is true?

A. ab is the longest side of triangle abc
B. triangle abc is an isosceles triangle
C. ac is the longest side of triangle abc
D. triangle abc is an obtuse triangle

anonymous · Answer

so far i got that x=20 so 
m<a=60
m<b=61
m<c=59

nikato · Answer

|dw:1388532598274:dw|so this is ur trianlge

nikato · Answer

we can already get rid of B and D becuz none of the anlges are equal or greater thatn 90, right?

anonymous · Answer

its A

anonymous · Answer

because sides A and B r longer than C and thats the only true statement

anonymous · Answer

oh
nvm

nikato · Answer

NO, ur wrong again, its C

anonymous · Answer

i was looking to the angles

anonymous · Answer

nvm

anonymous · Answer

yes its C

nikato · Answer

longer side opposite bigger angle
shorter side opposite smaller angle

anonymous · Answer

ik

anonymous · Answer

The answer is C

nikato · Answer

do u understand this now? @EmilyGiron

anonymous · Answer

yes thank you (: i find it easier when doing it in class. i have someone to break it down when i cant do it myself

nikato · Answer

well, a simple diagram usually helps in these kind of problem