Geometry 1.6 Perimeter and Area. Perimeter Is the distance around a figure It is the sum of the lengths of the sides of the figure =side 1 +side 2 +side.

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Presentation transcript:

Geometry 1.6 Perimeter and Area

Perimeter Is the distance around a figure It is the sum of the lengths of the sides of the figure =side 1 +side 2 +side side n

Perimeter 9 5

Perimeter of a Rectangle l w P = l + w + l + w P= 2l + 2w

Area The area of a figure is the number of square units needed to cover its surface HUH?

Area 5 4

5 4 The area of a Rectangle is found by multiplying the length and the width A = lw = l x w

Area of a parallelogram The area of a Parallelogram is the product of the base and the height. A = bh = b x h

What’s a parallelogram Four sides Opposite sides are parallel

Area of a parallelogram b The base is easy to find, but where is the height? h

Area of a parallelogram 7 4 A = bh A = 7(4) A = 28

Area of a parallelogram b h b Now it’s just like a rectangle

Area of a parallelogram = bh Perimeter of a Rectangle = 2l + 2w Area of a Rectangle = lw