Tolong please!!! besok dikumpul

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Tolong please!!! besok dikumpul

Tolong please!!! besok dikumpul

L persegi panjang :
=p×l
=9 cm×6 cm
=54 cm^2
L persegi :
=sisi×sisi
=6 cm×6 cm
=36 cm^2
Luas daerah yg tdk diarsir:
=54 cm^2 – 36 cm^2
=18 cm^2