REVIEW OF PERIMETER AND AREA

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# REVIEW OF PERIMETER AND AREA - PowerPoint PPT Presentation

REVIEW OF PERIMETER AND AREA. LESSON 21(2). LETS REVIEW. Perimeter of a Square. P = 4s. Area of a Square. A= s 2. Perimeter of a Rectangle. P = 2L + 2W. Area of a Rectangle. A= LW or Bh. LETS REVIEW. Perimeter of a Parallelogram. P = 2b + 2s. Area of a Parallelogram. A= bh.

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REVIEW OF PERIMETER

AND AREA

LESSON 21(2)

LETS REVIEW

Perimeter of a Square

P = 4s

Area of a Square

A= s2

Perimeter of a Rectangle

P = 2L + 2W

Area of a Rectangle

A= LW or Bh

LETS REVIEW

Perimeter of a Parallelogram

P = 2b + 2s

Area of a Parallelogram

A= bh

Perimeter of a Triangle

P = s + s + s

bh

2

Area of a Triangle

A =

LETS REVIEW

Perimeter of a Trapezoid

P = s + s + s + s

h(a+b)

2

Area of a Trapezoid

A=

Circumference of a Circle

Area of a Circle

Class work
• Check solutions to Lesson 21
• Make sure you have a copy of all formulas needed for this section.
• Do Lesson 21(2)