anonymous
  • anonymous
2. solve the triangle below by finding all missing sides and or angles part1: find the length of side AC. round your answer to nearest hundreths part2: find the measure of angle C part3: find the measure of angle A using any method
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
|dw:1328567428184:dw|
anonymous
  • anonymous
Use the law of cosines
anonymous
  • anonymous
AC^2=AB^2+BC^2-2*BC*AB*cos(B)

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More answers

anonymous
  • anonymous
You can then use the law of sines to solve the rest of it
dumbcow
  • dumbcow
yes use law of cosines to find AC then using law of sines sin(C)/10 = sin(110)/AC
anonymous
  • anonymous
how do i find the AC BC AB in order to use the formula tho?
anonymous
  • anonymous
???
dumbcow
  • dumbcow
AB = 10 BC = 8 angle B = 110
anonymous
  • anonymous
well duh tdiaz100, lol okay let me solve it
dumbcow
  • dumbcow
haha ok:)
anonymous
  • anonymous
323.84
anonymous
  • anonymous
????
dumbcow
  • dumbcow
for AC, no
anonymous
  • anonymous
ok i know question 2 and 3 is 35 degrees
anonymous
  • anonymous
Take the square root
dumbcow
  • dumbcow
it has to be less than 18
anonymous
  • anonymous
17.99
anonymous
  • anonymous
i round to the nearest hundreths would it be 20?
dumbcow
  • dumbcow
something went wrong =100+64-2(80)cos(110)
anonymous
  • anonymous
were the 80 came from?
dumbcow
  • dumbcow
10*8
anonymous
  • anonymous
same thing 17.99
anonymous
  • anonymous
14.79
dumbcow
  • dumbcow
no that would mean the angle is like 179 degrees
anonymous
  • anonymous
is your calculator in degree mode?
dumbcow
  • dumbcow
haha yeah thats what it is
anonymous
  • anonymous
yes it was
anonymous
  • anonymous
If i put mine in radian mode, i get 17.9956. in degree mode, i get 14.7893
anonymous
  • anonymous
the nearest hundeths is 14.89 right?
anonymous
  • anonymous
yep
anonymous
  • anonymous
nt 79
anonymous
  • anonymous
14.79*
anonymous
  • anonymous
yes 14.79 srry

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