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30-05-2017
Mathematics

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Helppppppp mathhhhhhhhh

Helppppppp mathhhhhhhhh class=

Respuesta :

30-05-2017

cosα=adjacent/hypotenuse

In this case you have:

cosα=FE/DF

DF=FE/cosα, we are told that FE=13 and α=34 so

DF=13/cos34

DF≈15.68 which is

DF≈15.7 (to nearest tenth)

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