Question

The length of a hall is 18m and the width 12m. The sum of the areas of the floor and the flat roof is
equal to the sum of the areas of the four walls. Find the height of the hall
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Answer 1

Answer:

Step-by-step explanation:

Length of the hall is =18m and width of the hall is =12m and 4 walls is equal to the area of floor and flat roof. Use tan theta =opposite /adjacent 30=h/18 h=30*18 h=540