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Mathematics 14 Online
OpenStudy (anonymous):

Are the 2 triangles similar? How do you know?

OpenStudy (anonymous):

Picture?

OpenStudy (anonymous):

One moment

OpenStudy (anonymous):

OpenStudy (anonymous):

Interior angles of triangles sum to 180, so the unmarked angle in the larger triangle is 67. In the second triangle, the unmarked triangle has to be fifty-three. This means all three angles are the same, and the triangles are similar.

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