Question

calculati perimetrul unui triunghi cu laturile de;
11 dm 9cm 4mm
5 dm 6 cm 7mm
6 dm 8 cm 9mm

Answer 1

1).11dm=1100mm , 9 cm=90 mm P=1100+90+4=1194 mm. 2)5dm=500 mm , 6cm=60mm P=500+60+7=567mm. 3).6dm=600mm,8 cm =80 mm P=600+80+9=689mm.