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the formula for the area of the sphere is 4pie radius ^2 and the diameter of the sphere is equal to the side of the square whose area is 16 area of square is s^2 so that 16=s^2 s=4 diameter is equal to radius x 2 so that 4=rx2 divide both side by 2 so that the r is 2 then go for the area of sphere 4 pie r^24 x 3.1416 x 2x2 is 50.27

To find the diameter of the sphere, we need to find first the length of the side of the square with the area of 16m². -------------------------- Area of square = s² A = s² where s is the length of the side of the square 16 = s² s = √16 s = 4 ------------------------ Since it is stated that the diameter of the sphere is just equal to the length of the side of the square then, s=d; diameter of the sphere is 4 meters. ------------------------ Volume of a sphere: V = 4/3πr³ where r is the radius of the sphere radius is half of the length of the diameter. Then if the diameter is 4m then the radius must be 2m. ------------------------ V = 4/3 π r³ V = 4/3 π (2)³ V = 32/3 π m³ or in decimal V = 33.51m³