Answer
$h = 6.3$
Work Step by Step
$h*h/2 = 20$
$h*h/2*2 = 20*2$
$h^2 = 40$
$\sqrt {h^2} = \sqrt {40}$
$h = 6.324$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Practice and Problem-Solving Exercises - Page 552: 53
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