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Hey there!
The interior angles of a triangle add up to 180 degrees. The only set of angles that add up to 180 is 90, 45, 45. 90+45+45=180. So the answer is the last one.
I hope this helps!
The interior angles of a triangle add up to 180 degrees. The only set of angles that add up to 180 is 90, 45, 45. 90+45+45=180. So the answer is the last one.
I hope this helps!