The figure shows two similar triangles:
1 answer:
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Correct Answer is: Perimeter of ΔDMN is 54.873 units.
Solution:-
Given that DM=10√3,m∠M=75°,m∠N=45°
So,m∠D= 180-(75+45) = 60°
So to find perimeter we need other 2 sides also.
Let us use sine rule to find them.
Hence perimeter = DM+MN+DN
= 10+21.213+23.66
=54.873 units
