Question

If X-Y-Z and d(X,Y)=2 ; d(X,Z)=10 then d(Y,Z) = *​

Answer 1

Answer:

Step-by-step explanation:

Since M and N are the mid-points of XY and YZ respectively,  

therefore by midpoint theorem,

MN is parallel to XZ and MN=  

2

1

​  

XZ=  

2

1

​  

XY (since XY=XZ)

or MN=MX=MY.