a hall is 15 m long and 12 m broad . if the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls , the volume of the hall is
"solution 2 ( 15 + 12 ) × h = 2 ( 15 x 12 ) ‹ = › h = 180 / 27 m = 20 / 3 m volume = ( 15 × 12 × 20 / 3 ) m 3 ‹ = › 1200 m 3 . answer c"
volume_rectangular_prism(15, 12, divide(multiply(const_2, rectangle_area(12, 15)), add(multiply(12, const_2), multiply(15, const_2))))