3 years ago

Please answer my questions without links lol

Mathematics

1 answer:

guapka [62]3 years ago

5 0

Answer:

Did you got my answer

if you don't then you can ask again as I will try my best

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Given: △DMN, DM=10√3 <br> m∠M=75°, m∠N=45°<br> Find: Perimeter of △DMN

xxTIMURxx [149]

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.

$\frac{DM}{sin(N)}=\frac{DN}{sin(M)} =\frac{MN}{sin(D)}$

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Hence perimeter = DM+MN+DN

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Interesting thank you

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