REVENUE OFFICER Government Jobs Exams

if a wire is bent into the shape of a square , then the area of the square is 81cm square. when wire is bent into a semi circular shape, then the area of the semi-circle will be ?

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REVENUE OFFICER Other Question

the length of the tangent drawn from a point 8cm. away from the centre of a circle of radius 6cm. is ? if the circumference and the area of a circle are numerically equal, then diameter of the circle is ?