Question

Calculati perimetrul triunghiului ABC,daca:
a)AB=AC=BC=9,7 cm;
b)AB=2AC=16 cm,   BC=10,6 cm;
c)AB=0,8(AC+BC)=12 cm;
d)AB+AC=15 cm,  AB+BC=16 cm,  AC+BC=17 cm. Imi trebuie repede va rog!!!!

Answer 1

a) 9.7*3=29.1cm b) 19+8+0.6=27.6 cm c)0.8*12+12 =21.6cm d) (15+16+17)÷2=24cm