In the diagram, XZ is the diameter of a circle's radius ...
In the diagram, XZ is the diameter of a circle's radius \(\frac{5}{2}\). If XY is 4cm, then the area of the triangle XYZ is
A.
12cm2
B.
28\(\frac{1}{2}\)cm2
C.
16cm2
D.
10cm2
E.
6cm2
Correct answer is E
Area of the triangle XYZ = \(\frac{1}{2}\)bh = \(\frac{1}{2}\)ZY x XY
= \(\frac{1}{2}\) x 3 x 4
= 6cm2.
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