Volume and Plane Development

Another name you can use for describing a 3D- shaped object is:

• solid
• rectangle
• sphere
• cube

What solid do you get after assembling the plane development?

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• 
• 
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The sum of the number of _____ and ________ of a polyhedron is ___ more than the number of its _____

Draw a Rectangular Prism.

Answer explanation

Could be any of the two rectangular prisms. The base must be a rectangle.

To calculate the volume of any solid, you must know...

• The perimeter and the height

• The height and the area of the base

• The area of the base and the perimeter

• the length of the solid and the perimeter

True or False:

"If two Three-dimensional figures have the same height and the same cross-sectional area at every level, then they have the same volume".

• TRUE

• FALSE

What is the volume for this Polyhedron?

• 230cm^3

• 225cm^2

• 220cm^3

• 225cm^3

What is the volume for this Cylinder?

• 163cm^3

• 162cm^3

• 161cm^3

• 164cm^3

A restaurant sells smoothies in two sizes. Which size is a better deal?

• The small cup

• The large cup

• Please do not choose BOTH

Answer explanation

The price per cubic meter is better for the large cup than the small cup.

Mr. Germán Murillo is using the mold to make 12 candles. How many cubic inches of wax does he need?

• 140in^3

• 150in^3

• 142in^3

• 144in^3

Answer explanation

Calculate the volume of the miold and then multiply that volume by 12, in order to get the total amount of wax.