sir this is the important question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and distances
The angles of depression of the top and the bottom of an 8 m tall building
from the top of a multi-storeyed building are 30 and 45 respectively.
Find the height of tire multi-storeyed building and the distance between the two buildings,
correct to two decimal places.
question no 32 , heights and distances , ICSE board, ML Aggarwal