In ΔDEF, ∠EFD = 90°, DF = 7 cm and EF = 24. What is the radius (in cm) of the circum-circle of ΔDEF?

In ΔDEF, ∠EFD = 90°, DF = 7 cm and EF = 24. What is the radius (in

1.	In ΔDEF, ∠EFD = 90°, DF = 7 cm and EF = 24. What is the radius (in cm) of the circum-circle of ΔDEF?
A.	26
B.	12.5
C.	13
D.	25
Answer» C. 13

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In ΔDEF, ∠EFD = 90°, DF = 7 cm and EF = 24. What is the radius (in cm) of the circum-circle of ΔDEF?

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