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: The distance between the principal focus and the center of curvature of the convex mirror is equal to R/2.
Find the area of the octagon whose side is 20 cm?
When the ratio of the length and breadth of the rectangle is given as 3:2. If the perimeter of the rectangle is equal to the perimeter of the square, wh...
A pyramid has a square base with a height of 12 cm. Each of the pyramid's faces is an equilateral triangle, and the area of each face is 64√3 cm². Fi...
A metallic cylinder of height 14 cm and radius 6 cm is melted and reshaped into several cuboids of height 3 cm, length 2 cm and breadth 1 cm. If the tot...
The diagonals of a rhombus measure 36 cm and 48 cm. A rectangle has a length of 32 cm, and its area is equal to the area of the rhombus. What is the per...
The radius of a hemisphere is 6 cm. A cylinder with the same radius and height is placed inside the hemisphere. Find the volume of the remaining portion...
Two paths of width 5 metres are to be made in the centre of rectangular field such that they are perpendicular to each other. Find the area (in m2<...
In an exam of 100 marks, the average marks of a class of 38 students are 72. If the top 3 scorers of the class leave, the average score falls “dow...
A sphere has a volume of 121.5π cm3. Find its radius.
The ratio between the number of sides of two regular polygons is 1 : 2 and the ratio between their interior angle is 2 : 3. Then the number of sides of ...
