In ∆DEF measure of angle E is 90°. If sec D = 25/7, and DE = 1.4 cm – McqOptions

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1.	In ∆DEF measure of angle E is 90°. If sec D = 25/7, and DE = 1.4 cm, then what is the length (in cm) of side DF?
A.	5
B.	4.8
C.	4
D.	5.6
Answer» B. 4.8

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