Maths Problem #1
A roof exists, on a building 9m x 7m, at an angle of 27° from the horizontal, the roof faces S23°W. If it is raining and the wind is blowing S14°E at 27km/h; how much rainwater does the roof collect assuming the rainwater is falling at 10m/s, at a rate of 22 mm/h over 45 minutes?