deh0688 deh0688

14-05-2020
Mathematics

contestada

need help asap!!
analyze the diagram below and answer the question that follows.

need help asap analyze the diagram below and answer the question that follows class=

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starwars04 starwars04

14-05-2020

Answer:

D) cos^-1 (f/e)

Step-by-step explanation:

Since you only know two sides, DE = f, and DF = e, you need to use cosine to find the measure of ∠D.

Let x represent m∠D

cos x = f/e

To find x, take the inverse of cos, so:

cos^-1 (f/e) = x

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