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In △DEF, DE = 5 and m∠F=55. Find FE.

In △DEF, DE = 5 and m∠F=55. Find FE.
asked 232k views
4 votes
In △DEF, DE = 5 and m∠F=55. Find FE.

In △DEF, DE = 5 and m∠F=55. Find FE.-example-1
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User Magdalene
by
7.8k points

2 Answers

3 votes
SOH CAH TOA

tan(55°) = 5/(FE)
FE = 5/tan(55°)
FE = 3.5
answered
User AnsFourtyTwo
by
8.3k points
2 votes
check the picture below.

make sure your calculator is in Degree mode.
In △DEF, DE = 5 and m∠F=55. Find FE.-example-1
answered
User Pietro Coelho
by
7.7k points
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