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Mathematics 8 Online
NvidiaIntely (nvidiaintely):

@Kevin

NvidiaIntely (nvidiaintely):

OpenStudy (kevin):

I'm here :)

OpenStudy (kevin):

yes, because it have 2 known side and 1 known angle

NvidiaIntely (nvidiaintely):

OpenStudy (kevin):

Nvidia, can you calculate what I write? Coz it consume time if I calculate it... xD

NvidiaIntely (nvidiaintely):

This is my last one .

OpenStudy (kevin):

okay.....

OpenStudy (kevin):

cos 87 = 28^2+15^2 -f^2 /(2*15*28) 0.05 = 28^2+15^2 -f^2 /(2*15*28) f = 31 cos G = (31^2 + 15^2 - 28^2)/(2*15*31) cos G = 0.43 G = 64 degree H = 180 - 87 - 64 H = 29 degree

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