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12 questions from this quiz
Lowercase for sides, uppercase for angles
Angle AAA
asinA=bsinB=csinC\frac{a}{\sin A} = \frac{b}{\sin B} = \frac{c}{\sin C}sinAa=sinBb=sinCc
a2=b2+c2−2bccosAa^2 = b^2 + c^2 - 2bc \cos Aa2=b2+c2−2bccosA
cosA=b2+c2−a22bc\cos A = \frac{b^2 + c^2 - a^2}{2bc}cosA=2bcb2+c2−a2
Area=12absinC\text{Area} = \frac{1}{2}ab \sin CArea=21absinC
Sine rule
Cosine rule
It's a generalization for all triangles
Labelling the triangle correctly
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