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07-02-2019
Mathematics

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How do I set up an equation to solve this problem ?

How do I set up an equation to solve this problem class=

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wolf1728 wolf1728

07-02-2019

Answer:

You'll need to set up 2 trigonometric equations:

cosine 30 degrees = BC / 14

0.86603 = BC / 14

BC = 12.12442

sine 30 degrees = DC / 14

.5 = DC / 14

DC = 7

Perimeter = 12.12442 + 7 + 12.12442 + 7

= 38.24884 = 38.2 (to nearest tenth)

Step-by-step explanation:

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