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Mathematics 17 Online
OpenStudy (anonymous):

In triangle DEF, FE=5 and measure angle D=43. Find DE to the nearest tenth.

OpenStudy (amistre64):

is this a right triangle?

OpenStudy (anonymous):

yes

OpenStudy (amistre64):

sin(43) sin(47) ------ = ------- 5 DE

OpenStudy (amistre64):

i get; 5.3618......

OpenStudy (anonymous):

can you show me how you got that?

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