A container open at the top ,is in the form of a frustum of a cone of height 24cm with radii of its tower and upper ends has 8cm and 20cm respectively . Find the cost of milk which can completely tin the container at the rate of ₹21per litter
Find the area of a trapezium whose parallel sides are 25cm and 13 cm and other sides are 15cm and 15cm
Find the area of a trapezium whose parallel sides are 25cm and 13 cm and other sides are 15cm and 15cm