Verified Answer :

we have given 
LM=4.12
MN=4
LN=5
OM=6.4
As diagonals LN and OM intersect at point R.
so we divide LN by 2 
we get 5/2=2.5
now using Pythagorean theorem 
OR^2= 4^2-2.5^2
OR^2=9.75
taking square root 
OR=3.12
so the right answer is d) 3.2

tamiacrawford457

Answer:

d) 3.2

Step-by-step explanation:

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