Surface Area, Circles, and Composite Figures

How can the perimeter of a composite plane figure be calculated?

• By dividing the areas of the subdivisions

• By subtracting the areas of the subdivisions

• By multiplying the areas of the subdivisions

• By adding the perimeters of the subdivisions

Which of the following is an example of a composite plane figure?

• A single triangle

• A figure made up of multiple shapes

• A perfect circle

• A square with equal sides

Which of the following is NOT a type of plane figure that can be used to subdivide a composite figure?

• Octagons

• Circles

• Ovals

• Hexagons

What is the first step in solving contextual problems involving composite plane figures?

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Which of the following is NOT a subdivision that can be used in a composite figure?

• Pentagon

• Rectangle

• Triangle

• Parallelogram

The surface measurement of a two-dimensional figure. It is described in square units.

• area

• Pi

• diameter

• circumference

the distance around a circle

• area

• Pi

• diameter

• circumference

a straight line that passes through the center of a circle; it has two endpoints on the circle

• area

• Pi

• diameter

• circumference

a two-dimensional figure formed by a closed curve with all points equal distance from the center

• circle

• composite figure

• parallelogram

• trapezoid

a figure that is composed of two or more two-dimensional shapes

• circle

• composite figure

• parallelogram

• trapezoid