Problems on 3D Objects

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Section A: Spheres

1. A child's ball has a diatmeter of 5 inches. What is

 

2. A basketball has a radius of 10 cm. What is its

 

Section B: Discs

1. A smooth poker chip has a diamter of 1.5 inches and a thickness of 0.5 inches. What is the chip's

    a. volume?
    b. surface area?

 

 

Section C: Spheres & Discs

1. Look at the diagram to the right:

a. What is the volume of this shape?

b. What is the surface area of this shape?

 

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