# Triangles 6682

Triangles ABC and A'B'C'. They are similar. In triangle ABC, the measures of two angles are 25 degrees and 65 degrees.

Explain why in triangle A'B'C' the sum of the sizes of the two angles is equal to 90 degrees

Explain why in triangle A'B'C' the sum of the sizes of the two angles is equal to 90 degrees

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