[tex]P=d*c\\P=7\frac{2}{5}cm *2,6cm=7,4cm*2,6cm=19,24cm^2[/tex]
[tex]P=\frac{d*c}{2}\\P=\frac{7\frac{2}{5}cm*2,6cm }{2}=\frac{7,4cm*2,6cm}{2}=\frac{19,24cm^2}{2}=9,62cm^2[/tex]
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Verified answer
a)
[tex]P=d*c\\P=7\frac{2}{5}cm *2,6cm=7,4cm*2,6cm=19,24cm^2[/tex]
b)
[tex]P=d*c\\P=7\frac{2}{5}cm *2,6cm=7,4cm*2,6cm=19,24cm^2[/tex]
c)
[tex]P=\frac{d*c}{2}\\P=\frac{7\frac{2}{5}cm*2,6cm }{2}=\frac{7,4cm*2,6cm}{2}=\frac{19,24cm^2}{2}=9,62cm^2[/tex]