Answer :
In the figure above two cubes are joined end to end such that a cuboid is formed.
Volume of cube = 64 cm3
We know that,
Side of cube = 
= 
= 4 cm
Side of cube = 4 cmNow these two cubes when joined, we can see from the figure that, their lengths are added and breadth and height remains the same.
Length of new cuboid = 8 cm
Height of new cuboid = 4 cm
Width of new cuboid = 4 cm
We know that:
Surface Area = 2(lb + lh + bh)
Surface Area = 2(8 x 4 + 8 x 4 + 4 x 4)
= 2 x 80
= 160 cm2
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Trigo Marathon Part 146 mins
History - Concept and Questions57 mins
Corrosion: Types, Pros and Cons41 mins
Revision on Substitution and Elimination Method44 mins
Arithmetic Progression and 'nth' Term of AP55 mins
Economics - Concept and Questions59 mins
Trigo Marathon Part 146 minsHistory - Concept and Questions57 minsCorrosion: Types, Pros and Cons41 minsRevision on Substitution and Elimination Method44 minsArithmetic Progression and 'nth' Term of AP55 minsEconomics - Concept and Questions59 minsTry our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
