Find the length of the longest rod which can be put in the room of measure 20m x 20m x 10m.
A25m
B40m
C35m
D30m
A25m
B40m
C35m
D30m
Related Questions:
The area of a rectangle is thrice that of a square. The length of the rectangle is 20 cm and the breadth of the rectangle is times that of the side of the square. The side of the square, (in cm) is