Grapes/win 2.8 [Don't Edit] 3.14 ---------- BGstretchOn BGfile 1 ---------- UserFunction 1 1 1 Sqrt((x+y+z)(-x+y+z)(x-y+z)(x+y-z)/16) ---------- y = f(x) 0 ---------- 0 = f(x,y) 0 ---------- Point 22 4 0 0 0 0 0 0 1 2 3 6 7 8 0 0 0 5 0 0 0 0 9 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 P 1 3 2 P -0.040 0.231 0 t 0.1 0 0 255 16711680 16777215 1 0 1 1 1 0 0 2 0 1 0 Q 0 0 1 R 0 0 1 S 0 0 1 T 0 0 1 U 0 0 1 V 0 0 1 A 1 6 2 A 0 u 0 t 0.1 0 0 16711680 16711680 16777215 1 0 0 1 1 0 0 2 0 1 0 B 1 7 2 B (rot(A,120)).x (rot(A,120)).y 0 t 0.1 0 0 16711680 16711680 16777215 1 0 0 1 1 0 0 2 0 1 0 C 1 7 2 C (rot(A,-120)).x (rot(A,-120)).y 0 t 0.1 0 0 16711680 16711680 16777215 1 0 0 1 1 0 0 2 0 1 0 D 1 9 2 D (rot(P,A,60)).x (rot(P,A,60)).y 0 t 0.1 0 0 16711680 16711680 16777215 1 0 0 1 1 0 0 2 0 1 0 E 1 8 2 E (rot(P,B,60)).x (rot(P,B,60)).y 0 t 0.1 0 0 16711680 16711680 16777215 1 0 0 1 1 0 0 2 0 1 0 F 1 4 2 F (rot(P,C,60)).x (rot(P,C,60)).y 0 t 0.1 0 0 16711680 16711680 16777215 1 0 0 1 1 0 0 2 0 1 0 G 0 0 1 H 0 0 1 I 0 0 1 J 2 0 2 J 0 0 [A.y] t 0.1 0 0 16777215 255 16777215 1 0 0 1 1 0 0 2 0 1 0 K 0 0 1 L 0 0 1 M 0 0 1 N 0 0 1 O 1 0 2 O 0 0 0 t 0.1 0 0 16777215 16711680 16777215 1 0 0 1 1 0 0 3 0 1 0 ---------- Segments 12 7 1 1 0 16777215 2 0 1 0 0 0 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 1 5 16711680 16769248 1 0 1 0 0 5 ◎ 1 8 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 1 5 16711680 16769248 1 0 1 0 0 5 ◎ 1 9 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 1 5 16711680 16769248 1 0 1 0 0 5 ◎ 1 10 13 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 1 4 16711680 255 1 0 1 0 0 5 1 8 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 1 4 16711680 255 1 0 1 0 0 5 1 9 13 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 1 4 16711680 255 1 0 1 0 0 5 1 10 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 1 1 255 16777215 3 0 0 0 0 5 α 9 8 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 1 1 255 16777215 3 0 0 0 0 5 β 10 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 1 1 255 16777215 3 0 0 0 0 5 γ 8 10 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 1 4 48896 16777215 6 0 0 0 0 9 {x} 8 1 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 1 4 16711680 16777215 4 0 0 0 0 5 {y} 10 1 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ---------- paramater 14 1 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 0 1 1 0.02 1 1 1 0 1 1 0.1 1 0 0 0 1 1 0.1 1 0 1 0 1 1 0.1 1 0 1 1 32 ---------- KakuMode ScanWidth LogMode ThetaMode AreaMode capStyle 2 4 2 1 1 0 1 1 0 1 0 32 0 DrawMode SegmentShowSync 1 0 AfterImageColorNo, CanAImg,MaxAimgN0 2 1 3001 circleMode 1 ---------- ScaleX Vlow,VHigh,label 0 914 x x AxesVisible,ScaleVisible,Svaluevisible,AddDegreeLetter,ScaleGuidevisible 0 0 0 0 0 NUmber,Base,Linterval,numberR 7 1 1 7 High,Low 1.50979624369602 -1.39179105789128 ---------- ScaleY Vlow,VHigh,label 0 914 y AxesVisible,ScaleVisible,Svaluevisible,ScaleGuidevisible 0 0 0 0 0 NUmber,Base,Linterval,NumbeerR 7 1 1 7 High,Low 1.92579934382544 -1.03654646369197 ---------- ScaleS SquareQ AreaRectify PsMesh AxisWidth FontSize AxisOn letterCenterShowPOsition ShowEquation AxisType PolorNum Areafixed 0 1 0 1 18 0 0 0 0 0 12 0 0 0 ---------- Yvalue 1 1 ---------- Iinterval Svalue Evalue sliceNo 1 -1 1 1 40 10 Dfuncno Efuncno AreaQ 1 0 0 ---------- Yvalue Function List 6 y1 y2 y3 y4 y5 y6 ---------- Panel Position 0 0 0 0 0 0 0 33 0 0 0 0 0 0 1 0 1 ---------- PetaMEMO SECTION Style, Color, BGcolor , Size, PositionX, positionY 3 0 0 12 0 0 0 23 点Pをドラッグして下さい。 S=正三角形ABC   =3つの正三角形【◎】     ± 3つの合同な三角形【○】 符号は、 点Pが△ABCの外接円内の時「+」 点Pが△ABCの外接円外の時「-」 を適用する S(+)=!{Sqrt(3)*(AP^2+BP^2+CP^2)/8+3*f([AP],[BP],[CP])/2} T(-)=!{Sqrt(3)*(AP^2+BP^2+CP^2)/8-3*f([AP],[BP],[CP])/2} 正三角形ABC=!{3Sqrt(3)*u^2/4} -------- この公式にすると、 点Pの位置に関わらず、 正三角形ABCの面積を 求めることができます。 ---------- 11 4 27 1 4 66 1 4 371 1 6 35 0 6 35 0 6 35 0 6 35 0 6 35 0 6 35 0 6 35 0 4 25 0 ---------- Table SECTION RowNo, ColumnNo 0 10 200 Table Data 60 60 60 60 60 60 60 60 60 60 ---------- SimpleMemo SECTION 0 ----------