Chapter 11.CR, Problem 30CR

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7th Edition

Alexander + 2 others

ISBN: 9781337614085

Textbook Problem

*In Review Exercises 21 to 30, use the drawings, where provided, to solve each problem, Angle measures should be found to the nearest degree; lengths should be found to the nearest tenth of a unit.*

An observer in a plane 2500 m high sights two ships below. The angle of depression to one ship is 32

To determine

**To find:**

The distance between the ships. An observer in a plane 2500 m high sights two ships below, the angle of depression to one ship is

Explanation

**Procedure used:**

In any right triangle ABC with

**Calculation:**

**Given:**

Height of the plane

Angle of depression of the ships are

Let us structure the given figure as a right triangle as follows.

From the above figure we have

Let ‘

Also by the property that the alternate interior angles are equal we have

In the above figure we have two right angle triangle

Take the

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