Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section11.5: Square Roots Of Variable Expressions
Problem 42WE
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Transcribed Image Text:Find XY.
39°
8.
Y
Write your answer as an integer or as a decimal rounded to the nearest tenth.
XY =
Submit
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Expert Solution
Step 1
Solution ) Sin rule in triangle xyz
xy/sin39 = yz/sin90
xy = yz × sin39 /sin90
xy = 8 × 0.6293 / 1
xy = 5.03
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