In Î”DEF measure of angle E is 90Â°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?_x005F_x000D_

In Î”DEF measure of angle E is 90Â°. If cosD = 8/17, and DE = 16c

1.	In Î”DEF measure of angle E is 90Â°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?_x005F_x000D_
A.	30
B.	20
C.	26
D.	34
Answer» E.

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In Î”DEF measure of angle E is 90Â°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?_x005F_x000D_

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