Expressão 4: "T" Subscript, "R" "i" "a" "n" "g" "l" "e" 1 , Baseline equals StartFraction, left parenthesis, 0 minus left parenthesis, negative 4 , right parenthesis , right parenthesis left parenthesis, 4 minus 1 , right parenthesis Over 2 , EndFractionTRiangle1=0−−44−12
equals=
66
4
Expressão 5: "T" Subscript, "R" "i" "a" "n" "g" "l" "e" 2 , Baseline equals StartFraction, left parenthesis, 1 minus left parenthesis, negative 1 , right parenthesis , right parenthesis left parenthesis, negative 2 minus left parenthesis, negative 4 , right parenthesis , right parenthesis Over 2 , EndFractionTRiangle2=1−−1−2−−42
equals=
22
5
Expressão 6: "T" Subscript, "R" "i" "a" "n" "g" "l" "e" 3 , Baseline equals StartFraction, 4 times 2 Over 2 , EndFractionTRiangle3=4·22
equals=
44
6
Expressão 7: "T" Subscript, "R" "i" "a" "n" "g" "l" "e" 4 , Baseline equals StartFraction, left parenthesis, 2 minus left parenthesis, negative 2 , right parenthesis , right parenthesis left parenthesis, negative left parenthesis, negative 1 , right parenthesis , right parenthesis Over 2 , EndFractionTRiangle4=2−−2−−12
equals=
22
7
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Centro:
center: left parenthesis, 0 , 0 , right parenthesis0,0
