The area of the floor of a cubical room is 192m2. The length of the longest rod that can be kept in that room is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 24 m.
Formula used:
Diagonal of the cube = √3 × side of the cube
Area of square = side2
Calculations:
Area of the floor = 192
Side2 = 192
side = 8√3
Diagonal of the cube = √3 × 8√3 = 24