Compare angle RST & angle JKL. a. RST=JKL b. none of these c. RSTJKL d. RST

Question

Compare angle RST & angle JKL.

a. RST=JKL   
  b. none of these   
  c. RST>JKL   
  d. RST <  JKL

anonymous · Answer

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zepdrix · Answer

I'm just curious, what method do you use to solve these types of problems?
Do you just figure something out based on the ratio of the sides?
Or are you using the Law of Cosines or something like that perhaps? :)

anonymous · Answer

basically trying to figure it out by basing it on the ratio of the sides

anonymous · Answer

you can use Law of Cosines to actually get the measures of those angles..... if you really wanted to...

anonymous · Answer

the answer is C correct?

anonymous · Answer

yes... do you know what a kind of triangle it is if it has lengths of 6,8,10  ???

anonymous · Answer

ummm.....not sure

anonymous · Answer

ever heard of a 3,4,5 triangle?   it's just doubled....  6, 8, 10

anonymous · Answer

$\large 3^2+4^2=5^2 $  it satisfies pythagorean theorem so it's a right triangle..
the angle in question is a right angle...

anonymous · Answer

in the other triangle with sides 7, 9 ,11, the angle between the 7 and 9 is larger than a right angle....

so you're correct....