Area and Perimeter 1

Area represents the

• The number of square units inside a figure
• The number of units around a figure

Perimeter represents the

• Number of square units inside a figure
• The numbers of units around the figure

To find the perimeter of any figure

• Add the lengths of all the sides
• Multiply the lengths of all the sides

• Area of a square
• Area of a rectangle
• Area of a triangle
• Area of a parallelogram

• Area of a square
• Area of a triangle
• Area of a trapezoid

• A = 15 cm²
• A = 15 cm
• A = 16 cm²
• A = 8 cm²

If I wanted to put tile down in my kitchen, I would need to find:

• area
• perimeter

If I wanted to place a border around my pool, I would need to find:

• area

• perimeter

Which of the following formulas is used to find the area of a triangle?

• A = πr²

• A = l⋅w

• A = b⋅h/2

• A = 2πr

Which of the following formulas is used to find the area of a circle?

• A = πr²

• A = l⋅w

• A = b⋅h/2

• A = 2πr