In bigtriangleup XYZ XY 8cm YZ 10cm and XZ 6cm ... - WAEC Mathematics 2012 Question
In \(\bigtriangleup\) XYZ, /XY/ = 8cm, /YZ/ = 10cm and /XZ/ = 6cm. Which of these relation is true?
A
/XY/ + /YZ/ = /XZ/
B
/XY/ - /YZ/ = /XZ/
C
/XY/2 = /Y/2 - /XY/2
D
/YZ/2 = /XZ/2 - /XY/2
correct option: c
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