18 The lower window of a house is at a height of 2 m above

Last updated: 7/25/2023

18 The lower window of a house is at a height of 2 m above the ground and its upper window is 4 m vertically above the lower window At certain instant the angles of elevation of a balloon from these windows are observed to be 60 and 30 respectively Find the height of the balloon above the ground Sol Let B be a balloon at a height GB x m 4m 2 m 60 H x 6 4 m 2m x 2 C Let W be the window which is 2 m above the ground H