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Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

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BuyFindarrow_forward

Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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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?

Chapter 5.CR, Problem 41CR, An observation aircraft flying at a height of 12 km had detected a Brazilian ship at a distance of

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 ΔABC

By Pythagoras theorem,

AC2=AB2+BC2132=122+BC2169144=BC2BC2=25BC=25BC=5 km

Second, consider the triangle ΔABD

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