plshelpmeasmuch plshelpmeasmuch

16-01-2021
Mathematics

contestada

pls help <3
and show your work
will mark as brainlest ;)

pls help lt3 and show your work will mark as brainlest class=

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akposevictor akposevictor

21-01-2021

Answer:

x = 28.1 (nearest tenth)

Step-by-step explanation:.since we are given two sides and an included angle, we would need to apply the Cosine Rule to find x. Thus,

x² = 18² + 14² - 2*18*14*Cos(122)

x² = 520 - (-267.079309)

x² = 520 + 267.079309

x² = 787.08 (approximated)

x = √787.08

x = 28.1 (nearest tenth)

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