Math Spheres, Cones, and Cylinders

Calculate the volume of this sphere. Use the formula v=\frac{4\pi r^3}{3} and \pi=3.14. Round your answer to the nearest hundredths place.

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• it takes to cover the outside a 3D object.

• it takes to fill the inside of a 3D object.

Which of the following correctly identifies the dimensions of this sphere.

The radius in this cylinder is 6.4 cm. True or False?

• True

• False

How do you find the volume of a sphere?

• V= ^1/₃ πr²h

• V= ^4/₃ πr²h

• V= ^4/₃ πr³

• V= πr²h

Mike has a large plastic cup that he is going to fill with water. The plastic cup is in the shape of a cone as shown. Which is closest to the volume of Mike’s cup?

• 21 cubic inches

• 63 cubic inches

• 66 cubic inches

• 198 cubic inches

Find the Volume of the Cone

• 150.72 cm³

• 75.36 cm³

• 452.16 cm³

• 151 cm³

Find the volume of the Sphere

• 78.5 m³

• 392.5 m³

• 523.6 m³

• 62.8 cm³

Find the volume to the nearest hundredth using 3.14 instead of Pi.

• 12.56 ft³

• 37.68 ft³

• 18.84 ft³

• 6.28 ft³

Find the volume of the Cylinder

• 7230

• 6621

• 1130

• 907