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Mathematics

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What is the perimeter of the triangle? (Round to the nearest tenth)

PLEASE HELP I NEED TO PASS What Is The Perimeter Of The Triangle Round To The Nearest Tenth class=

Answer :

Clarch19go Clarch19go

Answer:

P = 43.3

Step-by-step explanation:

sin 38° = EF/18

EF = 18·sin 38°

EF = 11.1

to find DF:

sin 90°/18 = sin 52°/DF

1/18 = .79/DF

DF = 14.2

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