A semi-circle is drawn with AB as its diameter. From C, a point on AB, a line perpendicular to AB is drawn meeting the circumference of the semi-circle at D. Given that AC = 2 cm and CD = 6 cm, the area of the semi-circle (in sq.cm) will be:
A.
32π
B.
50 π
C.
40.5 π
D.
81 π
E.
undeterminable
Correct Answer : B

Question

A semi-circle is drawn with AB as its diameter. From C, a point on AB, a line perpendicular to AB is drawn meeting the circumference of the semi-circle at D. Given that AC = 2 cm and CD = 6 cm, the area of the semi-circle (in sq.cm) will be:

A.
32π
B.
50 π
C.
40.5 π
D.
81 π
E.
undeterminable

Correct Answer : B

A to Z Exams · Accepted Answer

50 π

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