# 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.