1. Perimeter of Rectangles
Shape, Space and Measure 2
Perimeter of Rectangles
Perimeter is the length of the boundary of the shape
perimeter
Perimeter of the blue shape = 22 cm
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2. The perimeter of any 2-D shape is the total distance around the shape
Shape, Space and Measure 1
Perimeter of 2-D shapes
The perimeter of any 2-D shape is the total distance around the shape 1 1 5 2 6 6 3 3 5 2 2 5 7
Perimeter =
Perimeter = 16 cm
Perimeter = 6+7+6
Perimeter = 19 cm
Perimeter = 26 cm
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3. Area of Rectangles AREA Area is the space inside the shape Area
Shape, Space and Measure 2
Area of Rectangles
Area is the space inside the shape
Area
AREA
= 1 cm2
Area of red shape = 28 cm2
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4. Area of a rectangle Area : A = L W Width Length
Shape, Space and Measure 2
Area of a rectangle
Area : A = L W
Width
Length
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5. Area of a triangle Area : A = ½ B H Height Area : A = L W Width Length
Shape, Space and Measure 2
Area of a triangle
Area : A = ½ B H
Height
Area : A = L W
Width
Length
Base
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6. Area of a rectangle Area : A = L W Width Length
Shape, Space and Measure 2
Area of a rectangle
Area : A = L W
Width
Length
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7. Area of a parallelogram
Shape, Space and Measure 2
Area of a parallelogram
Area : A = B H
Height
Width
Base
Length
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8. Area of a trapezium a + b h b + a
Shape, Space and Measure 2
Area of a trapezium a b h b a
Area of a trapezium: A = ½ (a + b) x h
Total area of both shapes: A = (a + b) x h
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