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Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...

Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...

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1–9Algebra: Area FormulasMAIN IDEA• Find the areas ofrectangles and squares.BUILD YOUR VOCABULARY (pages 2–3)The area of a figure is the number ofneeded to cover a .A formula is anthat shows aamong certain quantities.EXAMPLE Find the Area of a RectangleKEY CONCEPTArea of a RectangleThe area A of a rectangleis the product of thelength l and width w.Find the area of a rectangle with length 15 feet andwidth 10 feet.A = lwA =Area of a rectangleReplace l withA =The area isand w with .Multiply.square feet.Check Your Progress Find the area of a rectangle withlength 9 meters and width 13 meters.Copyright © Glencoe/<strong>McGraw</strong>-<strong>Hill</strong>, a division of The <strong>McGraw</strong>-<strong>Hill</strong> Companies, Inc.20 Math Connects, Course 1

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