# In the triangle ABC with the base AC, the middle line of the triangle MN is drawn

September 30, 2021 | education

| **In the triangle ABC with the base AC, the middle line of the triangle MN is drawn, which is parallel to the base of the triangle. Find MN if AC = 20 cm.**

Condition: In triangle ABC with base AC, the middle line of triangle MN is drawn, which is parallel to the base of the triangle. Find MN if AC = 20 cm.

Solution:

The midline MN of triangle ABC is equal to 1/2 (fraction) of the base of triangle ABC.

1) What is the middle line MN of triangle ABC?

20 times 1/2 (fraction) equals 10 cm

Answer: the middle line MN of triangle ABC is 10 cm.

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