Volume of a a sphere is 10 times of its surface area. Find the radius of the shere
Solve for x :
Find the area of the cyclic quadrilateral with sides , 3 , 5 , 9 and 5 units
Find the size of the angle formed between the hour hand and minute hand of a clock at 11 : 50
The lengths of the diagonals of a rhombus are in the ratio 2 : 1. If the perimeter of the rhombus is 20 , find the sum of the lengths of the diagonals to the nearest tenth