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Are these two triangles similar?show all work

Are these two triangles similar?show all work-example-1
User Max Wyss
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1 Answer

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Yes it is because it is mirrored. (I forgot the mathematical name for it :/)  The little box in the corner means that it is 90 degrees, and you can take the 42 degree angle from the other triangle and compare it with the x degree.
User Joe Castro
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