Find QR. please help I’m so lost on this I’ve done it i don’t know how many times. And got it wrong.

asked Sep 9, 2022 15.7k views

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Answer:

Explanation:

Using the theorem of the middle in a triangle:

$2x+22=(x+20)/(2) \\\\4x+44=x+20\ cross\ products\\\\3x=-24\\\\x=-8\\$

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