Please enable JavaScript.
Coggle requires JavaScript to display documents.
Perimetres i areas - Coggle Diagram
Perimetres i areas
Rectangle
Formula:
A=b·h
Exemple:
A= b·h= 8·4= 32cm2
Forma:
Polígon regular
Formula:
A=P·a:2
Exemple:
A=P·a:2=5·5·2:2=25cm2
Forma:
Triangle
Formula:
A= b·h:2
Exemple:
A= b·h:2= 4·2:2= 8:2= 4cm2
Forma:
Quadrat
Formula:
A= c·c= c2
Exemple:
A= c·c= c2= 4·4= 4|2= 16cm2
Forma:
Romboide
Formula:
A= b·h
Exemple:
A= b·h= 9·5= 45cm2
Forma:
Rombe
Formula:
A= D·d:2
Exemple:
A= D·d:2= 100·5:2=500:2=250cm2
Forma:
Trapezi
Formula:
A= (B+b)·h:2
Exemple:
A= (B+b)·h:2=
Forma:
