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STatiana [176]
3 years ago
10

In the triangle below, what is the length of MN

Mathematics
2 answers:
elena-s [515]3 years ago
4 0
A because look at ML it is 20
lbvjy [14]3 years ago
4 0

Answer:

A. 20

Step-by-step explanation:

The MNL triangle is <em>isosceles, </em>because it has two equal angles

MLN = 50 = MNL

Then, as it is an isosceles triangle, ML = MN. We already know that ML = 20, thus MN has to measure the same. We conclude MN = 20.

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alternative Method
Applying the law of cosines
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