PERIMETRO

1. si una circunferencia tiene 20cm de radio ¿ cual es el perímetro ?


C= ¿                              A=2 TT R                                                3,14
                                                                                                        x40                    
TT= 3,14                        A=(3,14)(20 CM)                                    -----
                                                                                                       125,60
R= 20cm                          A= 125,60








2. si una circunferencia tiene 80cm de radio ¿ cual es el perímetro ?

C= ¿                                A= 2 TT R                                             3,14
                                                                                                        x160
TT= 3,14                           A= (3,14)(80cm)                                   ------
               


                                                                                        502,40
R= 80cm                         A=502,40       








3. si una circunferencia tiene 10cm de radio ¿ cual es el perímetro ?

C= ¿                                 A= 2 TT R                                            3,14
                                                                                                         20
TT= 3,14                           A= (3,14)(cm)                                   ------

          

                                                                                                  62,8   
R= 80cm                         A= 68,8




4. si una circunferencia tiene 10cm de radio ¿ cual es el perímetro ?

C= ¿                                 A= 2 TT R                                            3,14
                                                                                                        60
TT= 3,14                           A= (3,14)(30cm)                                   -----
                                                                                                            188,40
R=30 Cm                            A=188,40
    
   


5. si una circunferencia tiene 25cm de radio ¿ cual es el perímetro ?

C= ¿                                 A= 2 TT R                                            3,14
                                                                                                        50
TT= 3,14                           A= (3,14)( cm)                                   -----
                                                                                                      157 ,00
R=25 Cm                            A=157,00