the length and breadth of a hall are 20m and 15m respectively. find the area of 4 Walls of the hall if the height of the hall is 10 m​

Question

the length and breadth of a hall are 20m and 15m respectively. find the area of 4 Walls of the hall if the height of the hall is 10 m​

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Hải Đăng 6 months 2021-08-28T10:38:58+00:00 2 Answers 2 views 0

Answers ( )

  1. Sapo1
    0
    2021-08-28T10:40:02+00:00
    Reply

    Answer: 700m^2

    Step-by-step explanation:

    length = 20m


    breadth= 15m

    so we use lateral surface area = 2(L+B) H


    area of hall = 2(20+15)10


    2×35×10 = 700m^2 ans

  2. thaiduong
    0
    2021-08-28T10:40:42+00:00
    Reply

    Answer:

    300

    Step-by-step explanation:

    area=20*15=300

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