Total Area = 41.5692193817| Desmos

式18: "C" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus distance left parenthesis, "A" , "B" , right parenthesis

equals

5.1 9 6 1 5 2 4 2 2 7 1

式19: "C" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline

equals

式20: "D" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus distance left parenthesis, "A" , "B" , right parenthesis

equals

1.7 3 2 0 5 0 8 0 7 5 7

式21: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

式22: "P" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline cosine 2 "M" Subscript, "A" "O" , Baseline

equals

negative 2.5 9 8 0 7 6 2 1 1 3 5

式23: "P" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline minus "A" Subscript, 1 , Baseline sine 2 "M" Subscript, "A" "O" , Baseline

equals

4.5

式24: "M" Subscript, 1 , Baseline equals "O" Subscript, 1 , Baseline

equals

式25: "M" Subscript, 2 , Baseline equals "R"

equals

式26: "N" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline minus StartRoot, left parenthesis, "R" plus "R" Subscript, 1 , Baseline , right parenthesis squared minus left parenthesis, "R" minus "R" Subscript, 1 , Baseline , right parenthesis squared , EndRoot

equals

negative 3.4 6 4 1 0 1 6 1 5 1 4

式27: "N" Subscript, 2 , Baseline equals "R" Subscript, 1 , Baseline

equals

Graphs

式29: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis

式30: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesis

定義域t最小値:

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

定義域t最大値: 360

式31: left parenthesis, "N" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "N" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesis

定義域t最小値:

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

定義域t最大値: 360

式32: left parenthesis, "N" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "N" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesis

定義域t最小値:

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

定義域t最大値: 360

式33: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesis

定義域t最小値:

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

定義域t最大値: 360

式34: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis

Points

提供：

Start black, 9 times pi End black

Start black, pi End black