Answer:
I think 45
Explanation:
If a triangle is 180 degrees then (180 - 90) / 2 = 45 check if a triangle is 180 degrees on google or something first
45 degrees
a triangle has a total angle of 180 degrees
to work this out you would minus 90 from 180 which leaves you with 90
then you would divide 90 by 2 which gives you 45 degrees
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