Question

1 Find the lateral surface area of a cuboid
whose length, breadth and height are
5 cm, 3 cm and 4 cm respectively.​

Answer 1

Step-by-step explanation:

LATERAL SURFACE AREA

* 2(lh + bh + lb)

=> 2[(5×4) + (3×4) + (5×3)]

=> 2[20 + 12 + 15]

=> 2[47]

=> 2 × 47

=> 94 cm²

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Answer 2

length of cuboid = 8cm

breadth of cuboid =7cm

height of cuboid = 4cm

A/Q

L.S.A of cuboid = 2(l+b)×h

=2(8+7)×4 cm²

=2×15×4 cm²

=30×4 cm²

=120 cm² answer