hmmmm...a geometry question. an analytical geometry question. let's see...
c^2 = b^2 + a^2 ok and
sin(a) = opp/hyp ok well....
sin(59) = opp/hyp and
.86 = opp/78.1cm
opp = 66.9 cm
78.1cm^2 = 66.9cm^2 + b^2
6100 = 4476 + b^2
b^2 = 1624 and
b = 40cm
so there you go...
ans: a =66.9cm ; b = 40cm
good luck.
ps - getting picky: gamma=90 and beta = 31 degrees
needs to specify
whether
c is opposite side adjacent side or hypotenuse
Solve for what exactly?
confuse
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hmmmm...a geometry question. an analytical geometry question. let's see...
c^2 = b^2 + a^2 ok and
sin(a) = opp/hyp ok well....
sin(59) = opp/hyp and
.86 = opp/78.1cm
opp = 66.9 cm
78.1cm^2 = 66.9cm^2 + b^2
6100 = 4476 + b^2
b^2 = 1624 and
b = 40cm
so there you go...
ans: a =66.9cm ; b = 40cm
good luck.
ps - getting picky: gamma=90 and beta = 31 degrees
needs to specify
whether
c is opposite side adjacent side or hypotenuse
Solve for what exactly?
confuse