Question
Find the volume of a hemisphere whose radius is 25%
smaller than the side length of a square with a perimeter of 160 cm.ÂSolution
Side of square = (160/4) = 40 cm Radius of hemisphere = 0.75 X 40 = 30 cm Volume of hemisphere = (2/3) X π X radius3 = (2/3) X 3.14 X 303 = 56,520 cm3
In a quadrilateral ABCD, the diagonals AC and BD intersect at O. If AO = 8 cm, OC = 12 cm, BO = 6 cm, and OD = 9 cm, find the area of the quadrilateral ...
The length of the diagonal of a rhombus is 24 cm, and the perimeter is 80 cm. Find the area of the rhombus.
The area (in square units) of the quadrilateral ABCD, formed by the vertices A (0, -2), B (2, 1), C (0, 4), and D (-2, 1) is:
Find the variance of the numbers 13, 16, 22, 17.
A trader marked an article 50% above its cost price and sold it after allowing a discount of 30%. If the transaction resulted in a profit of Rs. 26, the...
The ratio of the angles of a quadrilateral is 3:2:7:8. What is the sum of the largest and the smallest angle?
