Répondre :
Bonjour;
figure 1
1/4 de cercle
(2*3,14*37)/4
=58,09
58,09+37 +37
=> 102,09 mm
figure2
3/4 de cercle
(2*3,14*8) *3/4
=50,24*3/4
= 37,68
37,68+8+8
=> 53,68 dm
Bonjour;
figure 1
1/4 de cercle
(2*3,14*37)/4
=58,09
58,09+37 +37
=> 102,09 mm
figure2
3/4 de cercle
(2*3,14*8) *3/4
=50,24*3/4
= 37,68
37,68+8+8
=> 53,68 dm