Calculate the area of a triangle with:
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1. Base = 3m , Perpendicular height = 4m A 12 m B 6 m2 C 12 m2
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2. Base = 6cm , Perpendicular height = 10cm A 16 cm2 B 60 cm2 C 30 cm2
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3. Base = 10m , Perpendicular height = 5m A 25 m2 B 15 m2 C 50 m2
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4. Base = 6m , Perpendicular height = 8m A 24 m2 B 48 m C 4.8 cm2
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5. Base = 3m , Perpendicular height = 2m A 6 m2 B 3 m C 3 m2
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6. Base = 400cm , Perpendicular height = 3m A 3400 cm2 B 6 m2 C 12 m2
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7. Base = 20mm , Perpendicular height = 5cm A 100 mm2 B 5 cm2 C 25 cm2
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8. Base = 3km , Perpendicular height = 400m A 600 000 m2 B 1200 m2 C 600 m2
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9. Base = 300m , Perpendicular height = 0.8km A0.12 km2 B2400 cm2 C2.4 km2
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10. Base = 40mm , Perpendicular height = 6cm A240 cm2 B1200 mm2 C1200 m2
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