Answer:
The correct options are 1, 2 and 4.
Explanation:
In a triangle, the side which does not make an angle is called opposite side of that angle.
From the given graph it is clear that
Opposite side of ∠L is NM.
Option 1 is correct.
Opposite side of ∠M is NL.
Opposite side of ∠N is ML.
Option 2 is correct.
The side next to an angle is called adjacent side.
Adjacent sides of ∠L is LM and LN.
Adjacent sides of ∠M is LM and MN.
Adjacent sides of ∠N is LN and MN.
In a right angled triangle, the opposite sides of a right angle is called hypotenuse.
Angle M is a right angled, so the side NM is hypotenuse. Option 4 is correct.
Therefore the correct options are 1, 2 and 4.