Find the surface area of cuboid l equal 3 cm h=5 cm b=7cm
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Step-by-step explanation:
Surface area = 2 (LB + BH + LH)
= (3×7cm + 7×5 cm + 3×5 cm)
= (21 cm + 35 cm + 15 cm)
= (2×71)
= 142 sq. meter
I hope it is useful.
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