What is the formula for Perimeter?
Answers
Answer:
Square
P=4s
s is the length of the side of the square.
Rectangle
P=2L+2W
L and W are the lengths of the rectangle's sides (length and width).
Triangle
a+b+c
a,b , and c are the side lengths.
Right Triangle, with legs a and b (see Pythagorean Theorem )
P=a+b+a2+b2−−−−−−√
a and b are the lengths of the two legs of the triangle
Circle
P=C=2πr=πd
r is the radius and d is the diameter.
Table 2. Area Formulas
Shape
Formula
Variables
Square
A=s2
s is the length of the side of the square.
Rectangle
A=LW
L and W are the lengths of the rectangle's sides (length and width).
Triangle
A=12bh
b and h are the base and height
Triangle
A=s(s−a)(s−b)(s−c)−−−−−−−−−−−−−−−−−−√where s=a + b + c2
a , b , and c are the side lengths and s is the semiperimeter
Parallelogram
A=bh
b is the length of the base and h is the height.
Trapezoid
A=b1 + b22h
b1 and b2 are the lengths of the parallel sides and h the distance (height) between the parallels.
Circle
A=πr2
Answer:
Perimeter Formulas
Shape Formula Variables
Square P=4s s is the length of the side of the square.
Rectangle P=2L+2W L and W are the lengths of the rectangle's sides (length and width).
Triangle a+b+c a,b, and c are the side lengths.
Circle P=C=2πr=πd r is the radius and d is the diameter.
Step-by-step explanation:
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