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OpenStudy (anonymous):
I could really use some help with these.. Please help me! Will give medal!!
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OpenStudy (anonymous):
|dw:1361989702465:dw|
OpenStudy (harsimran_hs4):
do you need to find the other sides?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
@harsimran_hs4
OpenStudy (harsimran_hs4):
|dw:1361991048605:dw|
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OpenStudy (harsimran_hs4):
cos 60 = sqrt(3)/ b
1/2 = sqrt(3)/ b
you can find b
then use tan 30 to find a
OpenStudy (anonymous):
@harsimran_hs4 can you show me how to do it?
OpenStudy (harsimran_hs4):
b = 2*sqrt(3)
tan 30 = sqrt(3)/a
1/sqrt(3) = sqrt(3)/a
a = sqrt(3) * sqrt(3)
a = 3
\[a = 3 \] \[b = 2\sqrt{3}\]
OpenStudy (harsimran_hs4):
clear??
OpenStudy (anonymous):
yes very thank you!
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OpenStudy (harsimran_hs4):
:)
OpenStudy (anonymous):
:)
OpenStudy (anonymous):
@harsimran_hs4 how about this one?
OpenStudy (anonymous):
|dw:1361991707429:dw|
OpenStudy (harsimran_hs4):
try it the same way taking sin and tan of angles and post your attempt
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OpenStudy (anonymous):
@harsimran_hs4
OpenStudy (anonymous):
tan 45= 6/b
1=6/b
b=6
same for A?
OpenStudy (harsimran_hs4):
for b calculation is right
use either Pythagoras for a because it`s rt angled triangle
or simply use sin or cos of any angle to get a
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