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How do you fing a perimeter?
You add height,height,width,width and that is your answer.
How do you find the perimeter of a rectangle when given the base and height?
all you have to do is add together the four sides. 2L+2W=Perimeter (L=length or base, W=Width or height)
Do you need the height to find the perimeter of a triangle?
Some times you do. If you know all of the side lengths, then you can just add them to find the perimeter, if one of the sides is the same as the height, then you may need to find it.
How do you find perimeter and area of triangles?
Perimeter . . . add up the lengths of all three sides. Area . . . multiply (half the length of the base) by (the height).
Formula for finding the perimeter of a triangle?
If you know any two angles and a side, you can use the law of sine (or law of cosine) to find the other two sides, add them up and get the perimeter. It you know the base and height, you can use the Pythagorean Theorem to get the side lengths, add them up and get the perimeter.
