Question

14.calculați perimetrul figurii din desen :
va rog urgent​

Answer 1

Răspuns:

a) 2*(10,5+12,8)=2*23,3=46,6

b)2*15,3cm+2*(96 mm+84mm)+2*84mm=30,6 cm+2*18cm+16,8cm=83,4cm

c)9cm+8,8cm+2,4cm+3,9cm+7,4cm+9,5cm+4cm+2,8cm=17,8cm+6,3cm+16,9cm+6,8cm=24,1cm+23,7cm=47,8cm