1.

2 cubes each of 64 cm² are joined end to end. Find the surface of the resulting cuboid.*Pls do if you know otherwise don't do it *​

Answer»

AREA of cube=6edge^2. (let edge=side be'X')

therefore, 64=6x^2

x^2=64/6

x=✓32/3

now when CUBES are joined side to side

it becomes cuboid with following dimensions

L=2✓32/3

B=✓32/3

H=✓32/3

Now surface are of this figure=2(LB+LH+BH)

now put the values and SOLVE it

hope this helps you


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