Arealet til et rektangel - Cappelen Damm
Arealet til et rektangel - Cappelen Damm
Arealet til et rektangel - Cappelen Damm
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<strong>Areal<strong>et</strong></strong> <strong>til</strong> <strong>et</strong> <strong>rektangel</strong>b=3cml=5cmA = lengde · bredde = l · bA =5cm·3cm=15cm 2<strong>Areal<strong>et</strong></strong> <strong>til</strong> en trekant>h=3cmh=3cmg=4cmg=4cmh=3cmg=4cmh=3cmg=4cmA =grunnlinje · høyde24cm·3cmA = = 6 cm 2256