An arc of circle of radius 2cm subtends an angle of 60º at the centre. Find the area of the sector
If a circular paper disc is trimmed in such a way that its circumference is reduced in the ratio 2:5, In what ratio is the surface area reduced?
In the parallelogram PQRS, PE is perpendicular to QR. Find the area of the parallelogram.
The volume of a cylinder is 1200cm3 and the area of its base is 150cm2. Find the height of the cylinder.
A wire was shaped to form a square of area 81cm\(^2\). An equilateral triangle was formed by the same wire,What is the length of a side of the triangle formed?