Question

three cubes each of side 5 cm are joined end to end. Find the surface area of the resulting
couboid.​

Answer 1

Answer:

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Answer 2

Answer:

$375 {cm}^{2}$

Step-by-step explanation:

Joining 3 cubes it's length would be 5×3=15cm

but the breadth and height will remain 5cm

$sa = l \times b \times h \\ = 15 \times 5 \times 5 \\ = 375 {cm}^{2}$

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