Find the approximate volume and total surface area of the following spheres. Cho

Question

Find the approximate volume and total surface area of the following spheres. Choose your answers from the box below. Use 3.14 for pi, Round your answers to the nearest hundredth. Find the volume Find the total surface area Find the Volume Find the total surface area A hemisphere is half of a sphere. Find the volume of the hemisphere, Find the total surface of the hemisphere. You will need to find half of the TSA of the sphere AND then add the area of the circle! (So, the TA of a hemisphere is xr3!)

Explanation / Answer

30) VOlume= (4/3)pi(r^3) I am assuming the radius is 30 because I cant see too much. (4/3)(3.14)(30)^3=110340 31) (4pir^2)=(4*3.14)*(30^2)=5538.96 32)(4/3)(3.14)(21)^3=38772.72 33)(4pir^2)=(4*3.14)*(21^2)=5538.96=11304 34)(2/3)pi(r^3) I cant see the radius at all! but this is the formula

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