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OpenStudy (anonymous):
In △DEF, what is the length of DF ? 90 45 square root 2 15 square root 3 30 square root 3
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OpenStudy (anonymous):
OpenStudy (anonymous):
@jim_thompson5910 @hba @hartnn
jimthompson5910 (jim_thompson5910):
hint: sin(60) = 45/x x*sin(60) = 45 x = 45/sin(60)
OpenStudy (anonymous):
would the answer me 40 square root 2?
jimthompson5910 (jim_thompson5910):
no, that's not the answer
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OpenStudy (anonymous):
anymore hints?
jimthompson5910 (jim_thompson5910):
sqrt(60) = sqrt(3)/2
OpenStudy (anonymous):
30 square root 3?
jimthompson5910 (jim_thompson5910):
you nailed it
OpenStudy (anonymous):
lol ty
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jimthompson5910 (jim_thompson5910):
you're welcome
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