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**Estimated Time Needed**

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Calculating Volumes of Compound Objects

Academic

Vocabulary

Vocabulary

The amount of space taken up in a plane by a geometric figure.

The process, result, or act of performing a mathematical process (calculating).

A three-dimensional figure with a single base tapering to an apex.

A line segment that is straight and passes through the center of a shape, such as a circle or a sphere; the length of this segment.

A statement, usually an equation, of a fact, principle, rule, or other logical relationship; often used to solve a problem.

The surface of a cylindric solid whose base is a polygon.

A structure with a base and at least three outer triangular surfaces that converge at a point.

A line segment that joins the center of a shape with any point on its circumference; the length of such a segment.

A polygon with three sides and three angles.

Letters that represent numbers in algebraic expressions; called variables because the numbers they represent can vary; one or more numbers can be substituted for the letters in an algebraic expression; also referred to as the unknown.

The total amount of space enclosed in a solid.