Mathematics, 11.06.2020 18:57 poohnia
Which equation could be used to find the value of x?
Triangle DEF where angle E is a right angle. DE measures x. DF measures 55. Angle D measures 49 degrees.
cos 49° = x over 55
cos 49° = 55 over x
sin 49° = x over 55
sin 49° = 55 over x
Answers: 3
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Which equation could be used to find the value of x?
Triangle DEF where angle E is a right angle. D...
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