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AB is a diameter of a circle and C is any point on the circumference of the circle. Then a) the area of ` A B C` is maximum when it is isosceles b) the area of ` A B C` is minimum when it is isosceles c) the perimeter of ` A B C` is minimum when it is isosceles d) none of these

A

the area of `DeltaABC`is maximum when it is isosceles

B

the area of `Delta ABC` is minimum when it is isosceles

C

the perimeter of `DeltaABC`is minimum when it is isoscles

D

none of the above

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A
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