Chapter 5.CR, Problem 41CR

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7th Edition

Alexander + 2 others

ISBN: 9781337614085

Textbook Problem

An observation aircraft flying at a height of 12 km had detected a Brazilian ship at a distance of 20km from the aircraft and in line with an American ship is 13 km from the aircraft. How far apart are the U.S and Brazilian Ships?

To determine

**To find:**

The distance that apart are the U.S and Brazilian ships.

Explanation

**Given:**

Aircraft flying at a height of 12 km and Brazilian ship at a distance of 20 km from aircraft.

**Calculation:**

Let us name A, B, C and D for aircraft, height of aircraft from water, American ship and Brazilian ship.

That is,

Let us first take the triangle

By Pythagoras theorem,

Second, consider the triangle

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