A hall is 15 metres long and 12 metres wide. The volume of the hall is: if the total of the areas of the floor and ceiling equals the sum of the areas of the four walls.
A. 720
B. 900
C. 1200
D. 1800
Answer:C
A hall is 15 metres long and 12 metres wide. The volume of the hall is: if the total of the areas of the floor and ceiling equals the sum of the areas of the four walls.
A. 720 B. 900 C. 1200 D. 1800
Explanation: 2(15 + 12) =h = 180 / 27 m = 20/3 m,1200 m3 volume = 15 x 12 x 20/3 m3.