Question

Two cubes each of 8 cm edge are joined end to end find the surface area of area resulting cuboid

Answer 1

length = (8+8)cm = 16 cm. breadth = 8 cm and height = 8 cm . so surface area of cuboid = 2(lb +bh+ hl) 2(16x8+8x8+8x16) 2(128+64+128) 2(320) ans = 640 cm square

Answer 2

Answer:

640 cm²

Step-by-step explanation:

New length = 16

breadth = 8

height = 8

Surface area = 2 (lb + bh + lh)

                      = 2 (128 + 64 + 128)

                      = 2 * 320

                      = 640 cm²

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