10th Feb. 2025 Gen. Mathematics Revision Test @ Indefatigables25

A circle can have -------- parallel tangent(s) at the most

A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q so that OQ = 12 cm. Length of PQ = ........

The length of the tangent from a point A at a circle of radius 3 cm is 4 cm. The distance of A from the centre of the circle is -------

PQ is tangent to a circle with centre O at the point P. If $$\Delta$$ OPQ is an isosceles triangle then the value of $$\angle$$ OQP is ........

Area of a sector of angle P (in degrees) of a circle with radius R is ......

The area of a circle is 49 $$\pi\ cm^2$$ . Its circumference is ------

The area of incircle of an equilateral triangle is 154 $$cm^2$$ then the perimeter of the triangle is -------

The area of the largest triangle that can be inscribed in a semi-cirds of radius $$r$$ is -------

The volume of a cube is 2744 $$cm^3$$ . Its surface area is ------

The volume and surface area of a sphere are equal. Diameter of the sphere is ------