30. A big room is 12m long Sm wide and 5m high. Find the area of its four walls.​

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30. A big room is 12m long Sm wide and 5m high. Find the area of its four walls.​

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Hadley 2 weeks 2021-10-08T04:44:27+00:00 2 Answers 0 views 0

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    0
    2021-10-08T04:45:58+00:00

    Step-by-step explanation:

    What is the area of a room with 12 m long, 7 m wide and 4 m high? The floor area and the ceiling area = 12*7 = 84 sq m. The area of the 4 walls including the window and door openings = 4*2*(12+7) = 8*19 = 152 sq m.

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    . please mark brainlist please

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    2021-10-08T04:45:59+00:00

    I am unable remove my answer.

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