Calculating Perimeter and Area

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Presentation transcript:

Calculating Perimeter and Area Adapted from Walch Education

Sometimes we need to calculate the perimeter or distance around a polygon (a two-dimensional figure formed by three or more segments), as well as find the area or the amount of space inside the boundary of a polygon.

The distance formula is a valuable tool for both of these calculations .

Perimeter is the sum of the lengths of all the sides of a polygon. The area of a triangle is found using the formula

Calculating the Perimeter of a Polygon Calculate the length of each side of the polygon using the distance formula: . Add all the lengths of the polygon to find the perimeter. Simplify and approximate the value if necessary. The final answer must include the appropriate label (units, feet, inches, meters, centimeters, etc.).

Calculating the Area of a Rectangle Calculate the length of the base of the rectangle using the distance formula: . Calculate the length of the height of the rectangle using the distance formula: . Calculate the area using the formula Area = (base)(height)

Remember… The final answer must include the appropriate label (units2, feet2, inches2, meters2, centimeters2, etc.). We will discuss Calculating the Area of a Triangle in class 

Thanks for Watching!!!! ~Ms. Dambreville