Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 6 - Review - Concept Check - Page 526: 5

Answer

a) To solve a triangle means to find the missing side measures with the given information. b) BC = 5.74, AC = 8.19 (both rounded to the nearest hundredth)

Work Step by Step

a) This can be found earlier in the lesson and with other problems. b) To find BC, take the $sin$ of $35$ and set it equal to $\frac{x}{10}$ (opp/hyp). From there, you can cross-multiply and $x$ equals 5.74. From there, you can square this and subtract it from $10^2$. Find the square root of the difference and then you will receive 8.19.
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