Q. In ΔDEF measure of angle E is 90°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?
A) 20
B) 30
C) 34
D) 26
✔ Correct Answer: 34
Exam Insight
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A) 20
B) 30
C) 34
D) 26
✔ Correct Answer: 34
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