Respuesta:
P=dCD+dDE+dEC
[tex]dCD=\sqrt{(-10-5)^2+(-4-11)^2 }\\dCD=15\sqrt{2}[/tex]
[tex]dDE=\sqrt{(5-9)^2+(11-(-7)^2\\dDE=2\sqrt{85\\}[/tex]
[tex]dEC=\sqrt{(9-(-10))^2+(-7-(-4)^2} \\dEC=\sqrt{370}[/tex]
[tex]P=15\sqrt{2}+2\sqrt{85} +\sqrt{370} \\P=58,89[/tex]
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Respuesta:
P=dCD+dDE+dEC
[tex]dCD=\sqrt{(-10-5)^2+(-4-11)^2 }\\dCD=15\sqrt{2}[/tex]
[tex]dDE=\sqrt{(5-9)^2+(11-(-7)^2\\dDE=2\sqrt{85\\}[/tex]
[tex]dEC=\sqrt{(9-(-10))^2+(-7-(-4)^2} \\dEC=\sqrt{370}[/tex]
[tex]P=15\sqrt{2}+2\sqrt{85} +\sqrt{370} \\P=58,89[/tex]