Choose the correct 3D shape obtained on rotating the given rectangle along its breadth as shown.
If a right angled triangle is rotated along one of its perpendicular sides, then the shape obtained will be a cylinder.
Choose the correct answer
If the area of a rectangle whose length is twice its breadth is 800 m2, then the length and breadth of the rectangle are:
A. 60 m and 20 m
B. 40 m and 20 m
C. 80 m and 10 m
D. 100 m and 8 m