You add up all the sides
to find the perimeter of a circle you simply do this (pi x D )
Perimeters are not defined in the context of 3 d shapes.
d
a + b + c + d
To find the circumference (distance around) of a circle, use the formula pi x d (d=diameter)
If you know the perimeter, there is no need to find it again.
first. you find all the sides OK but if you cant find the side that looks like a triangle you find that. second add them all up. 3 you have your answer
Perimeter is the outside length of an object...three-d or not. So, if you want to find out the outisde length of an object/perimeter, you will have to know the measure of one or two sides (depends on a shape) and add it.
If it's a circle, then the formula is ╥d (Pi (3.14) times the diameter)
To find the perimeter you add and to find the area we multiply.
The perimeter of a trapezium is the summation of all its sides. So, if a, b, c and d were the sides of the trapezium, then the perimeter would be a plus b plus c plus d.
perimeter of what quadrant?