the length breadth height of cuboid are 20 cm , 6cm ,13 cm find its tsa
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Given that l=20cm, b=6cm, h=13cm
∴T.S.A=2(lb+bh+lh)
=2(20 *6+6*13+20*13)
=2(120+78+260)
=2(438)
∴T.S.A=876
Step-by-step explanation:
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