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What is the length of A. 7 B. 4 C. 8 OD. 1 3 X +3 ? What is the length of A. 7 B. 4 C. 8 OD . 1 3 X +3 ?​

What is the length of A. 7 B. 4 C. 8 OD. 1 3 X +3 ? What is the length of A. 7 B. 4 C-example-1
User Neenu Chandran
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1 Answer

25 votes
25 votes

Answer: 4

Explanation:

Sides opposite congruent angles in a triangle are congruent, so:

  • 4x = x + 3
  • 3x = 3 [subtract x from both sides]
  • x = 1 [divide both sides by 3]

So, MN = 1 + 3 = 4

User Harshit Pant
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