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Grade 3 - Mathematics
8.11 Area and Perimeter Facts
Area of a square is side x side.
Perimeter of a square is 4 x side.
Area of rectangle is width x height.
Perimeter of rectangle is 2(length + width)
Perimeter of an equilateral triangle is 3 x side.
Answer the following. Also draw at least five examples of square and a rectangle and find its area and perimeter.
: Perimeter of a square =
2 x length
length + length
4 x length
: Perimeter of a rectangle =
length + height
2(length + width)
2 x length
: Perimeter of a triangle =
2 x side
side x side
side + side + side
: Area of a rectangle = 2 x area of a triangle =
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