SOLUTION: Equilateral Triangle MNP has perimeter 12a+18b. Line segment QR is a midsegment. What is QR?

SOLUTION: Equilateral Triangle MNP has perimeter 12a+18b. Line segment QR is a midsegment. What is QR?

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Question 325109: Equilateral Triangle MNP has perimeter 12a+18b.
Line segment QR is a midsegment.
What is QR?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
First divide by 3 to find the length of one side:

So each side is units long.

It turns out that any midsegment will be equal to half of the length of one side length (since we're dealing with an equilateral triangle). So the length of QR is units long.
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