231x Filetype PPTX File size 0.29 MB Source: www.d11.org
Perimeter What is a Perimeter? The sum of all the sides of a shape (S1+S2+S3+S4+ …) For a Rectangle: P = 2 (H + W) P = Perimeter, H = Height, W = Width W = Width H = Height What Is the Perimeter? A rectangle has a width of 3” and a height of 2”. What is the perimeter of the rectangle? 3” 2” P = 2 (H + W) P = 2 (2”+3”) P = 10” What Is the Perimeter? A rectangle has a width of 6’- 6” and a height of 4’-0”. What is the perimeter of the rectangle? 6’- 6” Convert 6’-6” to decimal feet 4’-0” 6’-6” = 6 ft + = 6.5 ft P = 2 (H + W) P = 2 (4’+6.5’) P = 21’ What Is the Perimeter? A rectangle has a width of 8’-4” and a height of 4’-3”. What is the perimeter of the rectangle? 8’ - 4” Convert to decimal feet 8’-4” = 8 ft + = 8.33 ft 4’ - 3” 4’-3” = 4 ft + = 4.25 ft P = 2 (H + W) P = 2 (4.25’+8.33’) P = 25.16’ Perimeter How would you determine the perimeter of this shape? 3” 3” 2” 6” 3” 5”
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