The lateral surface area of a regular tetrahedron is 75√3 cm². Determine the volume of the tetrahedron.
Find the area of sector of a circle whose radius is 21 cm and angle subtended by the sector at centre of circle is 45 ° .
The perimeter of a rectangle is 64 cm. The side of a square is equal to the average of the rectangle’s length and breadth. Find the area of the square...
- If the edge of the cube is increased by 30%, then find the percentage increase in the volume of the cube.
If the length of a rectangle is increased by 25% and its breadth is decreased by 15%, then the area of the rectangle will be increased or decreased by h...
The radii of two solid right circular cylinders are 11 cm and 9 cm respectively and their heights are (h+1) cm and (2h+1) cm respectively. If the areas ...
The volume of a cone is 128π cubic centimeters. If the radius of the base is 4 cm, find the height of the cone.
A cone has a radius of 5 cm and a slant height of 13 cm. Find the total surface area of the cone.[Take π = 3.14 ]
If x4 – 62x2 + 1 = 0, then a value of x 3 + x -3 can be:
The base of a triangle is 18 cm and height is 15 cm. The height of another triangle of double the area having the base 27 cm is:
