ΔDEF , FE = 13 and M<F=34 Find DF to the nearest tenth.

Mathematics
Tutor: None Selected Time limit: 1 Day

In ΔDEF , FE = 13 and M<F=34

Find DF to the nearest tenth.
https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

 
A.16.2
B.15.7
C.10.8
D.11.1
Apr 29th, 2015

we have FE = 13 and  F^= 34 °

so  : we know   cos(F^) = EF / DF   so :   DF = EF / cos(F^) 

SO :  DF = 13 / cos(34°) = 15.7    (EF = FE )

so the solution is :  B) 15.7

Good luck 

and please if you have any other home work call me first i will give you the best answer 

Apr 29th, 2015

Find the length of the missing side. If necessary, round to the nearest tenth.

https://tcan4424-oakcliff-ccl.gradpoint.com/Resource/2704275,8C7,0,0,0,0/Assets/testitemimages/algebra_1a/square_roots/al1pythg-mc002-1.jpg


A. 22
B. 44
C.15.6
D. 484
 PLEASEEEEEEEEE!!!! AND ILL CALL U FIRST!!! IN ALL MY QUESTIONS! :)


Apr 29th, 2015

i will answer but you have to pay me ok : 

180 - 90 = 90 

90 / 2 = 45 

so : cos(45°) = 11/c

so    c = 11 / cos(45°)

so  c = 15.6 

so the solution is :  C.15.6

Apr 29th, 2015

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