Dane są boki trójkąta a=5 i b=8 oraz kąty α=65⁰ i β=55⁰. Oblicz pole powierzchni tego trójkąta
a = 5
b = 8
Miara trzeciego kąta
gamma = 180 st - ( 65 + 55) st = 180 st - 120 st = 60 st
Poletrójkąta
P = (1/2) a*b*sin 60 st = (1/2)*5*8 *p(3)/2 = 10 p(3)
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a = 5
b = 8
Miara trzeciego kąta
gamma = 180 st - ( 65 + 55) st = 180 st - 120 st = 60 st
Poletrójkąta
P = (1/2) a*b*sin 60 st = (1/2)*5*8 *p(3)/2 = 10 p(3)
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