To find the perimeter of a triangle (often referred to as a "delta" in some contexts), you simply add the lengths of all three sides. If the side lengths are known as (a), (b), and (c), the formula for the perimeter (P) is (P = a + b + c). If only the coordinates of the vertices are given, you can calculate the side lengths using the distance formula and then sum them to find the perimeter.
You can find the permeter if you know the length of the sides. You need to add the lengths of all the sides together.
4*5=20 20 cm
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it depends on the triangle.if it is a "pure" triangle (symetrical on all sides) then the permeter is 9
area is the amount inside the object and permeter is the amount outside of it. To find area you do length times width. To find perimeter you add all the sides together.
64cm2
An odometer.
The River Thames does not have a delta.
You can find Delta in the BB Base
Join and you will find out...you wont find out from a Delta Chi member otherwise, I guarentee it
Look on one of the main rivers - or find the town Delta on a map!