Surface Area and Volume of Spheres and Hemispheres

A spherical ball has a diameter of 10 inches. The ball has a slow leak in which the air escapes at the rate of 1.5 cubic inches per second. How long will it take the ball to deflate? Round to the nearest tenth.

• 347.9 sec

• 350.7 sec

• 349.1 sec

The formula for the Volume of ...

• Spheres

• Cones

• Cylinders

What is the surface area?

• 6658.56 mm²

• 452.16 mm²

• 904.32 mm²

• 108.8 mm²

For a sphere with a radius of 8, what is the Surface Area?

• 804.24

• 10096.2304

• 2143.573

• 100.48

Find the surface area of the sphere, given diameter is 10.

• 314.16 in²

• 318 in²

• 166.67 in²

• 521.24 in²

What is this formula?

• suface area of a cone

• surface area of a sphere

• volume of a cone

• volume of a sphere

Find the surface area when r=25cm.

remember to look at the units!!!!

• 2500 cm²

• 2505.7 cm³

• 7853.98 cm²

• 7850.52 cm³

What is the surface area of a baseball with a 3 inch diameter.  Use 3.14 for pi.  
***remember to find r first!!!!

• 28.3 in²

• 113.04 in²

• 18.84 in ²

Find the surface area of the hemisphere

• 904.3 in²

• 339.3in²

• 113.0 in²

• 452.2 in²

Find the surface area of the hemisphere

• 134.0 m²

• 150.8 m²

• 267.9 m²

• 201.6 m²