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calculate the value of a,a and c in d ABC given that b=17.23cm,c=10.86cm and b=101.3Asked by Anonymous
Calculate the value of a,A and C in angle ABC, given that b=17.23cm c=10.86cm and B=115°
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Answered by
Anonymous
Law of sines
sin C /c = sin B / b
then you have angles B and C
but we all know
A + B + C =180
so that gives you angle A
then of course you can use law of sines again to find a
sin C /c = sin B / b
then you have angles B and C
but we all know
A + B + C =180
so that gives you angle A
then of course you can use law of sines again to find a
Answered by
Idera
This is not impressive
Answered by
Idera
Sorry you are right but you did not explain
Answered by
Idera
Sin C/c =sin B/b
sin C/10.86 =Sin 115/17.23
sin c=10.86×sin115/17.23
sin c=9.8424/17.23
sin c=0.5712
c=sin-¡ 0.5712
c=34.836
c=34.84
sin C/10.86 =Sin 115/17.23
sin c=10.86×sin115/17.23
sin c=9.8424/17.23
sin c=0.5712
c=sin-¡ 0.5712
c=34.836
c=34.84
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