Question

Fie punctele A,B,C coliniare in aceasta ordine si punctele M,N,P mijloacele segmentelor (AB),(BC),(AC).Daca AM=5 cm si MC=11cm,determinati lungimile segmentelor [AB],[BC],[AC],[MP].[NP].desen

Answer 1

|.........||......|...||.........||.......|
A       M     P  B        N      C   

AB=2*AM=2*5=10

BC=MC-MP
BC=11-5
BC=6

AC=AB+BC=10+6=16

MP=AC/2= 16/2=8

NC=BN=BC/2=6/2=3

AP=PC=AC/2=16/2=8

NP=8-5
NP=3