Unit 8 Vocabulary (Geometry- Triangles, Volume, Surface Area)

The side of a triangle and also its measurement.

The length of the perpendicular segment drawn from the base of a triangle to its opposite vertex.

1/2 x b x h OR b x h/2 is the formula for the:

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CCSS.6.G.A.1

A 2-d or 3-d figure that can be decomposed into smaller parts.

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CCSS.1.G.A.2

The sum of the areas of a composite figure's composed parts gives you the:

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CCSS.3.MD.C.7D

A rectangular prism with 6 congruent square faces is a :

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CCSS.2.G.A.1

CCSS.1.G.A.1

Each flat surface of a prism is called its:

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CCSS.6.G.A.4

A 2-d Diagram that can be folded or made into a 3-d figure is a called a:

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CCSS.6.G.A.4

The total area of the 2-D surfaces that make up a 3-D object is called its:

When two lines intersect and form a right angle they are called-

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CCSS.HSG.CO.A.1