Isabelle claims that Triangle M N O is similar to triangle R S T. Is she correct? If not, what is her mistake? Yes, she is correct. No, the triangles are congruent because all corresponding sides and angles are congruent. No, the vertices in her claim are not written in corresponding order. No, her claim cannot be made about triangles with only one pair of congruent corresponding angles.
thoughts? in order for two triangles to be similar, they must have the same three angle measures in each triangle, calculate the missing angle. remember: the three angles in a triangle sum to 180 degrees, so you can subtract 180 - the other two angles to get the third angle. calculate the third angle for each triangle, then see if the two triangles have the same three measurements, or not.
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