GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
7. | The perimeter of a floor of a room is 18m.What is the area of four walls of the room if it; a height is 3m? | |
A. | 21 Sq.m | |
B. | 42 Sq.m | |
C. | 54 Sq.m | |
D. | 108 Sq.m | |