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Area and Perimeter

Formulas for area and perimeter

AB
circumferencepi X diameter
area of a circlepi X radius X radius
area of a triangle1/2 (base X height)
area of a parallelogrambase X height
perimeter2 length + 2 width
perimeter of a trianglelength +length+ length
circumferencepi X 2(r)
perimeter2 base + 2 height


Mrs. J. Allard

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