Math Problem Statement
记三角形ABC的内角A,B,C的对边分别为a,b,c,分别以a,b,c为边长的三个正三角形 的面积依次为S1,S2,S3,已知 S1-S2+S3=二分之根号三 (1)求入ABC的面积; (2)若 sin Asin C=三分之根号二,求b
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Trigonometry
Triangle Properties
Formulas
Area of a triangle
Sine rule
Theorems
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Suitable Grade Level
High School
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