   Chapter 6.2, Problem 28E Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

From the veranda of a beachfront hotel, Manny is searching the seascape through his binoculars. A ship suddenly appears on the horizon. If Manny is 80     ft above the earth, how far is the ship out at sea?(HINT: See Exercise 27 and note that 1   m i = 5280 f t .)An airplane reaches an altitude of 3     mi above the earth. Assuming a clear day and that a passenger has binoculars, how far can the passengers see?(HINT: The radius of the earth is approximately 4000 mi.) To determine

To find:

The distance of the ship out at sea.

Explanation

Given:

Manny is 80ft above the earth.

Calculation:

Convert 80ft into mi.

We know that 1mi=5280ft.

1ft=15280mi

Therefore,

80ft=80×15280mi80ft=0.015mi

From the figure the earth radius is given as 4000mi

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