Next door to me live four brothers of different heights.Their average height is 74 inches, and the difference in height among the first three men is two inches. The difference between the third and the fourth man is six inches. Can you tell how tall is each brother?
Two metallic right circular cones having their height 4.1 cm and 4.3 cm and the radii of their bases 2.1 cm each, have been melted together and recast into a sphere.
What would be the diameter of the resultant sphere?
A spherical buoy is floating in the sea with an emerged cap part of height(h) =18 cm. and radius(r) = 14 cm. as shown below, What is the radius of this buoy?
