XYZ is a triangle and XW is perpendicular to YZ at = W. I...
XYZ is a triangle and XW is perpendicular to YZ at = W. If XZ = 5cm and WZ = 4cm, Calculate XY.
A.
5√3cm
B.
3√5cm
C.
3√3cm
D.
5cm
E.
6cm
Correct answer is B
by Pythagoras theorem, XW = 3cm
Also by Pythagoras theorem, XY2 = 62 + 32
XY2 = 36 + 9 = 45
XY = √45=3√3
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