Question

in triunghiul MNP,construim medianele MD,D apartine de (NP),NE,E apartine de (MP) si PF ,F apartine de (MN) si notam cu G punctul lor de concurenta.stiind ca: a)GD=4 cm,calculati MG si MD;
b)NG=7 cm,calculati GE si NE;
c)PG=9 cm,calculati GF si PF.
E urgent!!!​

Answer 1

a)MG=2 supra 3=2×4

MG=8 cm

MD=GD+MG

MD=8+4

MD=12cm

b)GE=1 supra 3=7:2

GE=3,5 cm

NE=NG+GE

NE=7+3,5

NE=10,5 cm

c)GF=1 supra 3=9:2

GF=4,5 cm

PF=GF+NG

PF=4,5+9

PF=13,5 cm