Samanmuotoiset kolmiot OB1B2 ja OC1C. Verrataan korkeuksia ja kantoja, jolloin saadaan
33
Expression 34: StartFraction, "h" Over "C" . "y" , EndFraction minus StartFraction, "b" Over distance left parenthesis, "C" Subscript, 1 , Baseline , "C" , right parenthesis , EndFractionhC.y−bdistanceC1,C
equals=
00
34
Vastaavasti Kolmiot B2OA ja B2CC2
35
Expression 36: StartFraction, "h" Over "h" minus "C" . "y" , EndFraction minus StartFraction, "a" Over distance left parenthesis, "C" , "C" Subscript, 2 , Baseline , right parenthesis , EndFractionhh−C.y−adistanceC,C2
equals=
negative 2.2 2 0 4 4 6 0 4 9 3 times 10 to the negative 16th power−2.2204460493×10−16
36
Ja vielä vaikka kolmiosta OB1A saadaan
37
Expression 38: StartFraction, "h" Over "h" minus "C" . "y" , EndFraction minus StartFraction, "a" Over distance left parenthesis, "C" Subscript, 1 , Baseline , "C" , right parenthesis , EndFractionhh−C.y−adistanceC1,C
equals=
2.2 2 0 4 4 6 0 4 9 3 times 10 to the negative 16th power2.2204460493×10−16
38
Expression 39: "C" . "y"C.y
equals=
StartFraction, 283 Over 306 , EndFraction283306
39
Expression 40: "h" minus "h" StartFraction, distance left parenthesis, "C" Subscript, 1 , Baseline , "C" , right parenthesis Over "a" , EndFractionh−hdistanceC1,Ca
equals=
StartFraction, 283 Over 306 , EndFraction283306
40
Expression 41: StartFraction, "a" "h" Over "b" plus "a" , EndFractionahb+a
equals=
StartFraction, 283 Over 306 , EndFraction283306
41
`\Delta OB_1A ~ \Delta C_1B_1C` left parenthesis, 8 , 4 , right parenthesis8,4
Label:
42
ja neljä muuta kolmioparia: left parenthesis, 8 , 3.5 , right parenthesis8,3.5
Label:
43
Expression 44: StartFraction, distance left parenthesis, "C" Subscript, 1 , Baseline , "C" , right parenthesis Over "a" , EndFraction plus StartFraction, distance left parenthesis, "C" Subscript, 1 , Baseline , "C" , right parenthesis Over "b" , EndFractiondistanceC1,Ca+distanceC1,Cb
