## College Algebra (10th Edition)

Published by Pearson

# Chapter 7 - Section 7.3 - The Ellipse - 7.3 Assess Your Understanding - Page 525: 71

See below.

#### Work Step by Step

We know that $b^2=a^2-c^2$. Here $a=50,c=25$, thus $b=\sqrt{50^2-25^2}\approx43.301.$

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