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10 questions from this quiz
Two angles and one side (AAS or ASA)
asinA=bsinB=csinC\frac{a}{\sin A} = \frac{b}{\sin B} = \frac{c}{\sin C}sinAa=sinBb=sinCc
The side opposite angle AAA
Two sides and included angle or three sides
c2=a2+b2−2abcosCc^2 = a^2 + b^2 - 2ab \cos Cc2=a2+b2−2abcosC
cosC=a2+b2−c22ab\cos C = \frac{a^2 + b^2 - c^2}{2ab}cosC=2aba2+b2−c2
8.578.578.57 cm
111.5°111.5°111.5°
Area=12absinC\text{Area} = \frac{1}{2}ab\sin CArea=21absinC
121212 square cm
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