Mathematics > 2012 > 18
WASSCE
In ΔXYZ, /XY/ = 8cm , /YZ/ = 10cm and /XZ/ = 6cm. Which of these relations is true?
A.
/XY/ + /YZ/ = /XZ/
B.
/XY/ - /YZ/ = /XZ/
C.
/XZ/2 = /YZ/2 - /XY/2
D.
/YZ/2 = /XZ/2 - /XY/2
Answer: C
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