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the area is 18
12.25 square cm
The area is the inside. The perimiter is around. If its a rectangle, to find the area you multiply the lengths of two sides
To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle. To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle.
You multiply the length times the width of the shape. LxW=A