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What is the length of side MN?
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What is the length of side MN?

What is the length of side MN?-example-1
User Obfuscation
by
4.3k points

1 Answer

2 votes

Answer:

A

Explanation:

The base angles L and N are congruent.

Thus the triangle is isosceles and ML = MN, that is

3x = x + 8 ( subtract x from both sides )

2x = 8 ( divide both sides by 2 )

x = 4

Thus

MN = x + 8 = 4 + 8 = 12 → A

User Kalik
by
3.9k points
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