Find the area of the given triangle △XYZ in arbitrary units whose one of the sides passes through the center of the circle.
A
10
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B
20
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C
10 unit2
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D
20 unit2
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Solution
The correct option is C10 unit2 △XYZ is a right triangle as the angle subtended by the diameter ZY to X on the circle is equal to 90o.
Hence, ∠X=90o. ∴ Side XY is perpendicular to the side XZ. ⇒XY can be considered as the height, and XZ as the base of the triangle.