Odpowiedź:
α = 60°
√ = 45°
c = 4
------------
Tw. sinusów
[tex]\frac{c}{sin 45^o} = \frac{a}{sin 60^o }[/tex]
a*sin 45° = c*sin 60° = 4*0,5√3 = 2√3
a*0,5√2 =2 √3 / : 0,5√2
a = [tex]\frac{4\sqrt{3} }{\sqrt{2} } = \frac{4\sqrt{6} }{2} = 2\sqrt{6}[/tex]
====================
oraz
[tex]\frac{c}{sin 45^o} = 2 R[/tex]
R = [tex]\frac{4}{2*0,5\sqrt{2} } = \frac{4}{\sqrt{2} } = \frac{2*2}{\sqrt{2} } = 2\sqrt{2}[/tex]
=============================
Szczegółowe wyjaśnienie:
sin 45° = [tex]\frac{\sqrt{2} }{2} = 0,5 \sqrt{2}[/tex]
sin 60° = [tex]\frac{\sqrt{3} }{2} = 0,5 \sqrt{3}[/tex]
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Odpowiedź:
α = 60°
√ = 45°
c = 4
------------
Tw. sinusów
[tex]\frac{c}{sin 45^o} = \frac{a}{sin 60^o }[/tex]
a*sin 45° = c*sin 60° = 4*0,5√3 = 2√3
a*0,5√2 =2 √3 / : 0,5√2
a = [tex]\frac{4\sqrt{3} }{\sqrt{2} } = \frac{4\sqrt{6} }{2} = 2\sqrt{6}[/tex]
====================
oraz
[tex]\frac{c}{sin 45^o} = 2 R[/tex]
R = [tex]\frac{4}{2*0,5\sqrt{2} } = \frac{4}{\sqrt{2} } = \frac{2*2}{\sqrt{2} } = 2\sqrt{2}[/tex]
=============================
Szczegółowe wyjaśnienie:
sin 45° = [tex]\frac{\sqrt{2} }{2} = 0,5 \sqrt{2}[/tex]
sin 60° = [tex]\frac{\sqrt{3} }{2} = 0,5 \sqrt{3}[/tex]