ABM = X = 105°

表达式10: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis

表达式11: "m" Subscript, 1 , Baseline "x" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis

表达式12: "B" Subscript, 1 , Baseline equals StartFraction, negative "m" Subscript, 2 , Baseline "C" Subscript, 1 , Baseline Over "m" Subscript, 1 , Baseline minus "m" Subscript, 2 , Baseline , EndFraction

equals

3.1 6 9 8 7 2 9 8 1 0 8

表达式13: "B" Subscript, 2 , Baseline equals "m" Subscript, 2 , Baseline left parenthesis, "B" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis

equals

1.8 3 0 1 2 7 0 1 8 9 2

表达式14: "M" Subscript, 1 , Baseline equals StartFraction, "C" Subscript, 1 , Baseline Over 2 , EndFraction

equals

表达式15: "M" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

Graphs

表达式17: polygon left parenthesis, "B" , "M" , right parenthesis

表达式18: polygon left parenthesis, "A" , "B" , "C" , right parenthesis

Points

技术支持

30°

15°