Question

2 cubes of edge 5cm are placed side by side in a single row and glued together to form a cuboid. Find the area of the colored paper used to cover the cuboid completely.

Answer 1

Answer:

answer in explanation

Step-by-step explanation:

Given,

Edge of the cube =5 cm

After joining two cubes,

Total length, l=5+5=10cm

Breadth, b=5cm and

Height, h=5cm

∴ Surface Area =2(lb+bh+lh)

=2(10×5+5×5+5×10)

=2×125

=250cm

2

Hence, the surface area of the resulting cuboid is 250 cm

2

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