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For each pair of triangles below, decide whether the triangles are congruent. Justify each conclusion with a flowchart. Homework Help ✎

  1. Triangles

    Compare the ratios of each of the corresponding sides of the two triangles. What has to be true about these ratios for the triangles to be congruent?

  1. Triangle

    The two triangles are similar. Justify this by examining the angles of each triangle. Is it possible for these triangles to be congruent?

  1. Triangles

    There is not enough information to determine whether or not the two triangles are similar.

  1. Triangles

    Both triangles are isosceles. Use this information and the Triangle Sum Theorem to find the values of the unknown angles.