Joshericidn
Answered

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HOW TO ANSWER THE PERIMITER AND WHAT IS THE FORMULA BEFORE YOU SOLVE?

Sagot :

HuInDWorldidn
Just add the measurements of the side to get the perimeter. However, if you want the easy way, here are the formulas:
Rectangle = [tex]2L + 2W[/tex], where length of the rectangle shall be multiplied by 2, and same with the width of the rectangle

Square = [tex]4S[/tex], where the S is the equal sides of it.

Triangle = [tex] S_{1} + S _{2} + B[/tex], where the subscript sides are the sides that finishes the triangle, and the base is the underline of the triangle.

Trapezoid = [tex] S_{1} + S_{2} + B_{1} + B_{2} [/tex], where the sides are the posts of the trapezoid, and the base is the top and under lines of it.

Parallelogram = same formula with Rectangle

Circle = technically, it's not perimeter, but it's CIRCUMFERENCE. Formula is:
[tex] \pi d[/tex], where pi is 3.14, and d is the diameter of the circle, which passes thorough the center in a straight line completely.
2 (pi) (radius)
ex 
a circle with a radius of 1 meter
sol: just plug in the value of the given radius and you're done
so on our example the answer should be 
= 6.28 meter
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