Question

Heights and Distances:
From the top of a hill,the angles of depression of two consecutive kilometre stones due east are found to be 30 degree and 45 degree respectively.Find the distance of the two stones from the foot of the hill.

Answer 1

$\rule{400}4$

(See The Attachment For Your Answer)

$\rule{400}4$

▪︎ Explanation:-

• Here I will try to clear your doubts which mau come in your mind:-

1. Why DC is 1 km. This is because C and D are 2 consecutive Stones So the distance between them must be equal to 1 km. For example take 2 consecutive kilometer stones be 5om and 6km so distance between them = 1km.

$\rule{400}4$