Pa answer po sana, incorrect po ung answer ko jan. 3rd year hs palang po ako, gusto ko lng po sana matutunan. salamat po!!

A vertical flag pole of height h metres is erected exactly in the middle of the flat roof of a building. The roof is rectangular of width w metres and depth d metres. The flag pole is stabilised by cables that join the corners of the roof top to the flag pole at a point k metres below the top of the flagpole.​ ​