Square ABCD Area = 185

表达式27: StartFraction, 4 squared minus "E" squared Over "E" Subscript, 1 , Baseline left parenthesis, "M" Subscript, 1 , Baseline minus "E" Subscript, 1 , Baseline , right parenthesis , EndFraction equals 1

表达式28: "E" Subscript, 1 , Baseline equals StartFraction, 4 squared Over "M" Subscript, 1 , Baseline , EndFraction

equals

2.3 5 2 6 8 6 7 9 0 7

表达式29: "F" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline plus StartFraction, "E" Subscript, "M" , Baseline plus "F" Subscript, "M" , Baseline Over "E" Subscript, "M" , Baseline , EndFraction left parenthesis, "M" Subscript, 1 , Baseline minus "E" Subscript, 1 , Baseline , right parenthesis

equals

17.7 1 8 6 7 2 3 9 2 5

表达式30: "F" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline plus StartFraction, "E" Subscript, "M" , Baseline plus "F" Subscript, "M" , Baseline Over "E" Subscript, "M" , Baseline , EndFraction left parenthesis, "M" Subscript, 2 , Baseline minus "E" Subscript, 2 , Baseline , right parenthesis

equals

negative 7.9 4 0 3 1 7 9 1 8 6 1

表达式31: "G" Subscript, 2 , Baseline equals "s"

equals

13.6 0 1 4 7 0 5 0 8 7

表达式32: "H" Subscript, 1 , Baseline equals "s"

equals

13.6 0 1 4 7 0 5 0 8 7

表达式33: "M" Subscript, 1 , Baseline equals StartFraction, "s" Over 2 , EndFraction

equals

6.8 0 0 7 3 5 2 5 4 3 7

表达式34: "M" Subscript, 2 , Baseline equals "A" Subscript, 1 , Baseline

equals

表达式35: "K" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline plus 0.7 5cosine theta Subscript, 2 , Baseline

equals

2.4 6 9 6 5 8 7 2 0 8

表达式36: "K" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline plus 0.7 5sine theta Subscript, 2 , Baseline

equals

2.4 9 4 1 2 2 1 1 3 2 2

表达式37: theta Subscript, 2 , Baseline equals tangent to the negative 1st power StartFraction, "E" Subscript, 2 , Baseline Over "E" Subscript, 1 , Baseline , EndFraction minus 135

equals

negative 81.0 2 7 3 7 3 3 8 5 1

表达式38: "L" Subscript, 1 , Baseline equals "F" Subscript, 1 , Baseline plus 0.7 5cosine theta Subscript, 1 , Baseline

equals

16.9 7 7 8 5 0 1 6 8 5

表达式39: "L" Subscript, 2 , Baseline equals "F" Subscript, 2 , Baseline plus 0.7 5sine theta Subscript, 1 , Baseline

equals

negative 8.0 5 7 2 8 9 8 4 8 7 2

表达式40: theta Subscript, 1 , Baseline equals tangent to the negative 1st power StartFraction, "E" Subscript, 2 , Baseline Over "E" Subscript, 1 , Baseline , EndFraction plus 135

equals

188.9 7 2 6 2 6 6 1 5

Graphs

表达式42: "y" less than 25

表达式43: polygon left parenthesis, "A" , "E" , "M" , "E" , "A" , "B" , "C" , "M" , "F" , "C" , "D" , right parenthesis

表达式44: left parenthesis, "L" Subscript, 1 , Baseline plus StartFraction, 0.7 5 "t" cos left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "L" Subscript, 2 , Baseline plus StartFraction, 0.7 5 "t" sin left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis

定义域t最小值：

less than or equal to "t" less than or equal to

定义域t最大值：

表达式45: left parenthesis, "L" Subscript, 1 , Baseline plus StartFraction, 0.7 5 "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "L" Subscript, 2 , Baseline plus StartFraction, 0.7 5 "t" sin left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis

定义域t最小值：

less than or equal to "t" less than or equal to

定义域t最大值：

表达式46: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.7 5 "t" cos left parenthesis, theta Subscript, 2 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.7 5 "t" sin left parenthesis, theta Subscript, 2 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis

定义域t最小值：

less than or equal to "t" less than or equal to

定义域t最大值：

表达式47: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.7 5 "t" cos left parenthesis, theta Subscript, 2 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.7 5 "t" sin left parenthesis, theta Subscript, 2 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis

定义域t最小值：

less than or equal to "t" less than or equal to

定义域t最大值：

Points

技术支持

Square Area =?