Area of Squares Rectangles Parallelograms Trapezoids

Quadrilaterals can be classified using the graphic organizer shown.

Which term best classifies the shapes that belong in the shaded section of the organizer?

• Parallelogram

• Polygon

• Pentagon

• None of these

Organize these options into the right categories

Groups:

(a) True

,

(b) False

• All rhombuses are squares.

• All rectangles are squares.

• All squares are rectangles.

• All trapezoids are quadrilaterals.

• All squares are trapezoids.

• All parallelograms are rhombuses.

• All rhombuses are rectangles.

• Rectangles are always parallelograms.

• All squares are rhombuses.

In the diagram shown each circle represents a group of polygons. If a polygon belongs in a circle, it also belongs in any larger circle. Which kinds of polygon belongs in the shaded circle?

• Trapezoids

• Squares

• Pentagons

• Rhombuses

Phoebe divided her rectangular vegetable garden into three sections, as shown in the drawing. The potato section is a square with a side length of 7 meters. The carrot section is a square with a side length of 5 meters. What is the area, in square meters, of the corn section of Phoebe's garden?

Mathematical Equivalence

ON

Determine the area of the square with a

side length of 19 meters

• A = 6859 meters squared

• A = 38 meters squared

• A = 19 meters squared

• A = 361 meters squared

Determine the area of the square with a

side length of 19 meters.

(*Hint: all the sides are the same on a square.)

• A = 6,859 meters squared

• A = 38 meters squared

• A = 19 meters squared

• A = 361 meters squared

Which formula can be used to model the area of one of the trapezoids in the parallelogram?

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Find the area of the shape below.

Find the area.

Find the area of the shape below.