00:01
All right, looking at your question, it says find the measure of each marked angle, the degree measure, the top angle of the triangle with angle measure 9x minus 169.
00:12
However, looking at trying to sift the internet for a picture, i was unable to find one.
00:19
So hopefully we're looking at this angle up here.
00:24
In your expression, it's 9x minus 169.
00:27
In this one, it's 9x minus 254.
00:29
But the idea is the same.
00:31
All right, we have two interior angles here.
00:34
We know the sum of the interior angles.
00:37
So 9x plus 1x is 10x.
00:41
Negative 254 plus 24 is going to be negative 230.
00:47
The sum of the two opposing interior angles is equivalent to the exterior angle...