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= (1)求入ABC的面积; (2)若 sin Asin C=2求b
Solution
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Math Problem Analysis
Mathematical Concepts
Triangle Geometry
Trigonometry
Formulas
Area of equilateral triangle: S = (sqrt(3)/4) * side^2
Theorems
-
Suitable Grade Level
Advanced High School
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