Chapter 5.4, Problem 9E

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7th Edition

Alexander + 2 others

ISBN: 9781337614085

Textbook Problem

Find *EF *if:

a)

b)

*Exercises 7-10*

To determine

(a)

**To Find:**

The length of

Explanation

Given *DF=*17 and *DE=* 15,

And figure,

From the figure,

From the Pythagorean Theorem,

The square of the length of hypotenuse of a right triangle is equal to the sum of the square of the lengths of the other two sides.

From the figure,

To determine

(b)

**To Find:**

The length of

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