Area of circular disc = Pi*(10 cm)^2
= 100 Pi
314 cm^2
Now rectangle of maximum area inside circle will be square of side length r*Sqrt2, where r is radius so
Area of square disc = (r*Sqrt2)^2
= 2r^2 = 2*(10cm)^2
= 200 cm^2
So area of remaining disc = 314-200 cm^2
114 cm^2
Option 7)
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VIBHAV ANAND
''The most incomprehensible about Mathematics is that it is comprehensible''.