Asked in Basketball, Genetics
What has greater surface to volume ratio a tennis ball or a basketball?
The tennis ball. But do you know why? The anser to that is in the relationship between the fomula for a shere's volum and that of it's surface area. Area is a radius squared function whereas volume is a radius cubed function. ...
Asked in Math and Arithmetic, Algebra, Geometry
What is the total surface area of a hemispherical shape with a circumference of 43.988 cm taking pi as 3.142?
Remember to include the flat surface of the hemisphere in your answer and halve the fomula of 4*pi*radius squared: Radius = 43.988/(2*3.142) = 7 cm Total surface area = (3.142*72) + (2*3.142*72) = 461.874 square cm ...