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Which equation could be used to find the value of x? Triangle DEF where angle E is a right angle. DE measures 55. EF measures x. Angle D measures 49 degrees. cos 49° = x over 55 tan 49° = x over 55 cos
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Which equation could be used to find the value of x?

Triangle DEF where angle E is a right angle. DE measures 55. EF measures x. Angle D measures 49 degrees.

cos 49° = x over 55
tan 49° = x over 55
cos 49° = 55 over x
tan 49° = 55 over x

Which equation could be used to find the value of x? Triangle DEF where angle E is-example-1
User Ron Ziroby Romero
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2 Answers

3 votes

The answer is tan 49° = x over 55 (I got it correct on my quiz).

User Dmitry Trofimov
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8.9k points
6 votes
yes it should be tan 49 degrees = x over 55
User Hortman
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