If G is centeroid of triangle ABC,such that GD=3cm and BC=4cm.Find the area of triangle ABC
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In triangle GBC, BC=4cm and GD=3cm
Area of triangle GBC
A(GBC)= 1/2×base×altitude (height)
= 1/2×4×3
= 6cm^2
Now area of the triangle ABC =3×A(GBC)
=3×6
=18cm^2
Area of triangle GBC
A(GBC)= 1/2×base×altitude (height)
= 1/2×4×3
= 6cm^2
Now area of the triangle ABC =3×A(GBC)
=3×6
=18cm^2
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