Determine the Area of Composite Figures

The top surface of a desk is composed of two rectangles and a triangle. Some side lengths of the top surface are shown.

What is the area of the top surface of the desk in square feet?

A model of a rectangular stove top with 4 burners is shown. The side lengths of the stove top and the diameter of the burners is shown.

Which measurement is the best estimate of the area in square inches of the stove top that does not include the area of the burners?

Two congruent squares and a parallelogram are shown.

What is the area of the figure in square meters?

A rectangle, a triangle, and two congruent semicircles were used to form the figure shown.

Which measurement is closest of the area of the figure in square centimeters?

This figure is composed of a parallelogram and a trapezoid.

What is the area of the figure in square centimeters?

A sidewalk in the shape of two triangles, a rectangle, and a square was built around the edge of a building as shown.

What is the area of the sidewalk in square feet?

The figure is composed of two trapezoids. Measurements are given in feet.

What is the area of the figure in square ft?

Mathematical Equivalence

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A cutting board is created with congruent light pieces and congruent dark pieces of wood, as shown in the figure. All angles are right angles.

What is the combined area of the dark pieces of wood in square inches?