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You need to find the sum of the lengths of each side. Thus, if you have a triangle with sides of length 3, 4, and 5, the perimeter would be 3 + 4 + 5 = 12.

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Q: How do you figure out a perimeter?
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Related questions

What is the distance around closed figure?

The distance round a closed figure is the perimeter.


The distance around a figure is called the?

perimeter.


How do you perimeter?

To find the perimeter of a figure, add all the lengths of the edges of the figure. The sum of the sides is the perimeter.


What is distance around the figure is called?

If the figure is 2-dimensional, it is called the perimeter.


What is the relationship between the perimeter of a figure and the perimeter of a figure when the length and width are doubled?

x2=y


What best describes the perimeter of a two dimensional figure?

What I think is that the perimeter is the distance around a figure. :)


How do you figure the perimeter and area of a figure that has uneven sides?

Add all sides together to get the perimeter.


How do you figure out if the area or perimeter needs to be squared?

the perimeter of a figure is never squared, but the area of a figure is always squared. Hope this helped :)


How do you figure out the perimeter of a closed figure?

Add together the length of its sides. The accumulated lengths of its sides is the perimeter.


What is the shape for a figure to have a perimeter of 20 and an area of 18?

Perimeter and area are not sufficient to determine the shape of a figure.


The distance around a figure is called the what?

The perimeter is the distance around a figureIt is normally its perimeter


How do you find the distance around a figure?

To find the distance around a figure, you calculate the perimeter. The perimeter is the total distance around the outside of a shape or figure. To find the perimeter of a rectangle or square, you add up all the sides. For a circle, you can find the perimeter by multiplying the diameter by π (pi).