Which angles are acute? Check the photo down below
2 answers:
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well, let's notice that the x-coordinate is the same for both points, the same -3, which means is a <u>vertical line</u>, running from y = 5 to y = -5/2.
so we can just find their distance from 0.
y=-5/2 is 5/2 units down below from 0.
y=5 is 5 units up above 0.