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29-03-2019
Mathematics

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Find the missing side length. Round your answer to the nearest tenth.

A) 4.7

B) 5.5

C) 30.8

D) 43.2

Find the missing side length Round your answer to the nearest tenth A 47 B 55 C 308 D 432 class=

Respuesta :

calculista calculista

07-04-2019

Answer:

Option B. [tex]5.5[/tex]

Step-by-step explanation:

we know that

Applying the law of cosines

Let

c------> the missing side length

[tex]c^{2}=9^{2}+6^{2} -2(9)(6)cos(37)[/tex]

[tex]c^{2}=30.747[/tex]

[tex]c=5.5[/tex]

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