Green Area = 8 cm²| Desmos

式22: "R" equals "M" Subscript, 2 , Baseline

equals

3.5

Coordinates

式24: "A" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline

equals

式25: "A" Subscript, 2 , Baseline equals StartRoot, 49 , EndRoot

equals

式26: "B" Subscript, 1 , Baseline equals StartRoot, 0 , EndRoot

equals

式27: "B" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot

equals

式28: "C" Subscript, 1 , Baseline equals StartRoot, 64 , EndRoot

equals

式29: "C" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline

equals

式30: "D" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline

equals

式31: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

式32: "E" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline

equals

式33: "F" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline plus "R" cosine left parenthesis, 90 minus "D" Subscript, "M" "F" , Baseline , right parenthesis

equals

10.2 8 5 7 1 4 2 8 5 7

式34: "F" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline plus "R" sine left parenthesis, 90 minus "D" Subscript, "M" "F" , Baseline , right parenthesis

equals

6.1 5 0 5 6 7 9 0 2 1 8

式35: "M" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline

equals

式36: "M" Subscript, 2 , Baseline equals StartFraction, "A" Subscript, 2 , Baseline Over 2 , EndFraction

equals

3.5

Graphs

式38: polygon left parenthesis, "C" , "D" , "F" , right parenthesis

式39: 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: negative 90

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

定義域t最大値: 90

式40: polygon left parenthesis, "A" , "B" , "C" , "E" , "D" , right parenthesis

式41: polygon left parenthesis, "C" , "D" , "F" , right parenthesis

式42: polygon left parenthesis, "F" , "M" , right parenthesis

Points

提供：

45°