# data[].attributes.body
P = l x numero di lati uguali

# data[].attributes.body
P= l x 3
A= (b x h): 2
b= (A x 2) : h
h= (A x 2): b

# data[].attributes.body
P=B + b + (lo x 2)
A= [(B + b) x h]: 2

# data[].attributes.body
P= l x4
A= (D X d): 2
D= (A x2): d
d= (A x2): D

# data[].attributes.body
P= (b + l) x 2
A=  b x h
b= A:h
h= A: b

# data[].attributes.body
P= ( l x 2) + b

A= (b x h): 2
b= (A x 2) : h
h= (A x 2): b

# data[].attributes.body
P= l1 + l2 + l3
A= (b x h): 2
b= (A x 2) : h
h= (A x 2): b

# data[].attributes.body
A= [(B + b) x h]: 2
b= [(A x 2): h ]- B
B+b=(A x 2): h
B=[(A x 2): h ]- b

# data[].attributes.body
P= (b + h) x 2
A= b x h
b= A: h
h= A: b

# data[].attributes.body
P = l x4
A= l x l
l= √A
l= p : 4