# Perimeter and Area of Polygons

This page lists the **Learning Objectives** for all Perimeter and Area of Polygons lessons in Unit 1.

**Perimeter of Polygons**

The student will be able to:

- Define polygon, triangle, rectangle, square, equilateral triangle, regular polygon, regular pentagon, regular hexagon.
- Describe the procedure for finding the perimeter of a polygon.
- Recognize that perimeter is measured in linear units.
- Restate the formula for the perimeter of a rectangle.
- Compute the perimeter for various polygons and regular polygons.
- Apply perimeter concepts and formulas to complete five interactive exercises.

**Area of Rectangles**

The student will be able to:

- Define perimeter.
- Recognize the difference between perimeter and area.
- Explain the formula for finding the area of a square.
- Compute the area of a square, given the length of one side.
- Compute the length of a side, given the area of a square.
- Explain the formula for finding the area of a rectangle.
- Compute the area of a rectangle, given its dimensions.
- Compute the missing dimension of a rectangle, given the area and the other dimension.
- Recognize that area is measured in square units.
- Apply formulas to complete five interactive exercises.

**Area of Parallelograms**

The student will be able to:

- Define parallel, perpendicular, parallelogram.
- Identify the base and height of a parallelogram from a diagram.
- Indicate the length of the base and height from a diagram.
- Recognize that the base and height of a parallelogram must be perpendicular.
- Recognize that height is not a dimension of a parallelogram.
- Explain the formula for finding the area of a parallelogram.
- Compute the area of a parallelogram, given the length of its base and height.
- Compute the height of a parallelogram, given the area and the length of its base.
- Apply the formula and concepts to complete five interactive exercises.

**Area of Triangles**

The student will be able to:

- Define acute, right and obtuse triangles.
- Identify the base and height of a triangle from a diagram.
- Indicate the length of the base and height from a diagram.
- Recognize that a parallelogram can be bisected into two triangles of equal area.
- Restate the formula for finding the area of a triangle.
- Classify a triangle by its angles.
- Compute the area of a triangle given the length of its base and height.
- Compute the height of a triangle, given the area and the length of its base.
- Apply the formula and concepts to complete five interactive exercises.

**Area of Trapezoids**

The student will be able to:

- Define trapezoid.
- Identify the bases and height of a trapezoid from a diagram.
- Indicate the length of each base and the height from a diagram.
- Restate the formula for finding the area of a trapezoid.
- Compute the area of a trapezoid, given the length of its bases and height.
- Compute the height of a trapezoid, given the area and the length of both bases.
- Apply the formula and concepts to complete five interactive exercises.

**Practice Exercises**

The student will be able to:

- Examine ten interactive exercises for all topics in this unit.
- Determine which concepts and formulas are needed to complete each practice exercise.
- Compute answers by applying appropriate concepts and formulas.
- Self-assess knowledge and skills acquired from this unit.

**Challenge Exercises**

The student will be able to:

- Evaluate ten interactive exercises with word problems for all topics in this unit.
- Analyze each word problem to identify the given information.
- Formulate a strategy for solving each problem.
- Apply strategies to solve routine and non-routine problems.
- Synthesize all information presented in this unit.
- Connect perimeter and area of polygons to the real world.
- Develop problem-solving skills.

**Solutions**

The student will be able to:

- Examine the solution for each exercise presented in this unit.
- Identify which solutions need to be reviewed.
- Compare solutions to completed exercises.
- Identify and evaluate incorrect answers.
- Amend and label original answers.
- Identify areas of strength and weakness.
- Decide which concepts, formulas and procedures need to be reviewed from this unit.