Blue Area = 20 Square Units

表达式15: "C" Subscript, 2 , Baseline equals "s"

表达式16: "D" Subscript, 1 , Baseline equals "s"

表达式17: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

表达式18: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus 3 fifths "s"

表达式19: "E" Subscript, 2 , Baseline equals "s"

表达式20: "F" Subscript, 1 , Baseline equals "H" Subscript, 1 , Baseline plus StartFraction, 7 Over 10 , EndFraction left parenthesis, "E" Subscript, 1 , Baseline minus "H" Subscript, 1 , Baseline , right parenthesis

表达式21: "F" Subscript, 2 , Baseline equals "H" Subscript, 2 , Baseline plus StartFraction, 7 Over 10 , EndFraction left parenthesis, "E" Subscript, 2 , Baseline minus "H" Subscript, 2 , Baseline , right parenthesis

表达式22: "G" Subscript, 1 , Baseline equals "H" Subscript, 1 , Baseline plus StartFraction, 2 Over 10 , EndFraction left parenthesis, "E" Subscript, 1 , Baseline minus "H" Subscript, 1 , Baseline , right parenthesis

表达式23: "G" Subscript, 2 , Baseline equals "H" Subscript, 2 , Baseline plus StartFraction, 2 Over 10 , EndFraction left parenthesis, "E" Subscript, 2 , Baseline minus "H" Subscript, 2 , Baseline , right parenthesis

表达式24: "H" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline minus 2 fifths "s"

表达式25: "H" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

Graphs

表达式27: "y" less than 25

表达式28: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis

表达式29: polygon left parenthesis, "A" , "H" , "E" , "C" , "E" , "H" , "A" , "B" , "C" , "D" , right parenthesis

Points

技术支持