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xenn [34]
3 years ago
8

Helppppppp mathhhhhhhhh

Mathematics
1 answer:
tamaranim1 [39]3 years ago
5 0
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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