表达式26: "G" Subscript, 1 , Baseline equals "F" Subscript, 1 , Baseline minus left parenthesis, "D" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , right parenthesisG1=F1−D2−F2
equals=
14.2 4 6 2 1 1 2 5 1 214.2462112512
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表达式27: "G" Subscript, 2 , Baseline equals "F" Subscript, 2 , Baseline plus left parenthesis, "D" Subscript, 1 , Baseline minus "F" Subscript, 1 , Baseline , right parenthesisG2=F2+D1−F1
equals=
16.4 9 2 4 2 2 5 0 2 516.4924225025
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表达式28: "H" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline minus left parenthesis, "D" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , right parenthesisH1=D1−D2−F2
equals=
20.4 9 2 4 2 2 5 0 2 520.4924225025
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表达式29: "H" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline plus left parenthesis, "D" Subscript, 1 , Baseline minus "F" Subscript, 1 , Baseline , right parenthesisH2=D2+D1−F1
equals=
6.2 4 6 2 1 1 2 5 1 2 46.24621125124
29
Graphs
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30
表达式31: "y" less than 25y<25
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表达式32: polygon left parenthesis, "D" , "F" , "G" , "H" , right parenthesispolygonD,F,G,H
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表达式33: left parenthesis, "D" Subscript, 1 , Baseline plus "R" cos "t" , "D" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisD1+Rcost,D2+Rsint
定义域t最小值： 9090
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 180180
33
表达式34: polygon left parenthesis, "A" , "B" , "C" , "D" , "F" , "G" , "H" , "D" , right parenthesispolygonA,B,C,D,F,G,H,D
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表达式35: left parenthesis, "F" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "F" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesisF1+R1cost,F2+R1sint
定义域t最小值： 180180
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 360360
35
Points
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51
技术支持
技术支持
A
B
C
D
E
F
G
H
X
4
8
Start black, "S" "e" "m" "i" "c" "i" "r" "c" "l" "e" . "Q" "u" "a" "r" "t" "e" "r" "C" "i" "r" "c" "l" "e" "a" "n" "d" "S" "q" "u" "a" "r" "e" "s" End blackSemicircle.QuarterCircleandSquares
Start black, "B" "l" "u" "e" "A" "r" "e" "a" equals left parenthesis, 4 plus 8 , right parenthesis squared equals 144 End blackBlueArea=4+82=144
