# CBSE Class 10-Mathematics: Chapter – 9 Some Applications of Trigonometry Part 16 (For CBSE, ICSE, IAS, NET, NRA 2022)

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**Question 3**:

A statue, tall, stands on the top of a postal. From a point on the ground, the angle of elevation of the top of the statue is and from the same point the angle of elevation of the top of the pedestal is . Find the height of the pedestal.

**Answer**:

Let the height of the pedestal be m.

In right triangle ACP,

In right triangle BCP,

**Question 4**:

As observed from the top of a high lighthouse from the sea-level, the angles of depression of two ships are . If one ship is exactly behind the other on the same side of the lighthouse, find the distance between two ships.

**Answer**:

In right triangle ABQ,

In right triangle ABP,

Hence the distance between the two ships is