Answer:
320
Step-by-step explanation:
9 times (8-5=3) plus 5=32 times (6+4=10)=320
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Answer:
1/2
Step-by-step explanation:
1/2 times 1/2 equals .25 (.25 is 1/4 which is half of 1/2)
1/2 divided by 1/2 is 1( 1 is 1/2 plus 1/2)
Answer:
log (1/3)
Step-by-step explanation:
Note: The height of the room must be 3 m instead of 3 cm because 3 cm is too small and it cannot be the height of a room.
Given:
Perimeter of the floor of a room = 18 metre
Height of the room = 3 metre
To find:
The area of 4 walls of the room.
Solution:
We know that, the area of 4 walls of the room is the curved surface area of the cuboid room.
The curved surface area of the cuboid is
Where, h is height, l is length and b is breadth.
Perimeter of the rectangular base is 2(l+b). So,
Putting the given values, we get
Therefore, the area of 4 walls of the room is 54 sq. metres.
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