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anonymous
 5 years ago
in triangle DEF, m<E = 90, e=10 and d=8. What is m<F to the nearest tenth of a degree?
anonymous
 5 years ago
in triangle DEF, m<E = 90, e=10 and d=8. What is m<F to the nearest tenth of a degree?

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angela210793
 5 years ago
Best ResponseYou've already chosen the best response.0DE=6 cosF=8/10 >maybe abt 30..

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0okay thats the right anser, but how do i show my work?

angela210793
 5 years ago
Best ResponseYou've already chosen the best response.0Pythagoras theorem 10^2=8^2+DE^2 100=64+DE^2 DE=sqr36=6 cosF=8/10

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yessm thank you so much
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