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Mathematics 14 Online
OpenStudy (anonymous):

Are the two triangles similar? How do you know?

OpenStudy (anonymous):

OpenStudy (anonymous):

The sum of all three angles in a triangle is 180 degrees. So for the first triangle: 60 + 53 + angle3 = 180, or angle3 = 67.

OpenStudy (anonymous):

if their all interior angles equal, they are similar.

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