self Maths Puzzle

the radius of the base of the right circular cone is doubled. To keep the volume fixed, the height of the cone will be

Read Solution (Total 1)

v= 1/3 * 3.14 * r *r *h
if r=2r
then, h=h/4
12 years agoHelpfull: Yes(2) No(0)

self Other Question

Three circles of radii 4cm, 6cm and 8cm touch each other pairwise externally. The area of the triangle formed by the line-segments joining the centres of the three circkes is The ratio of a length of each equal side and the third side of an isosceles triangle is 3:4. If the area of the triangle is 18root5 square unit, the third side is