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In triangle DEF DE equals 5 and measure of angle D is 55 degree's find Fe to the nearest tenth?

In triangle DEF DE equals 5 and measure of angle D is 55 degree's find Fe to the nearest tenth?
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1 vote
 In triangle DEF DE equals 5 and measure of angle D is 55 degree's find Fe to the nearest tenth?

In triangle DEF DE equals 5 and measure of angle D is 55 degree's find Fe to the nearest-example-1
asked
User Shanita
by
8.0k points

2 Answers

5 votes

Answer:

7.1

Explanation:

answered
User DUzun
by
8.6k points
4 votes

|DE|=5\\|\angle EDF|=55^o\\|FE|=?\\\\tan|\angle EDF|=(|FE|)/(|DE|)\\\\tan55^o\approx1.4281\\\\therefore:\\(|FE|)/(5)\approx1.4281\Rightarrow|FE|\approx1.4281*5=7.1405\approx7.1
answered
User Daniel Broekman
by
7.9k points
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