Question

Am nevoie la (b )

va rog
dau coroana​

Answer 1

Răspuns:

84mm=8,4cm

96mm=9,6cm

15,3:3=5,1cm

P=15,3+(9,6+8,4)*2+8,4*2+5,1*3

P=15,3+18*2+16,8+15,3

P=30,6+36+16,8

P=66,6+16,8

P=83,4cm