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2-84.

Determine which of the following pairs of triangles are similar. Justify your answer.

  1. Find the missing angle measure for each triangle to see if applies.

    The triangles are not similar because they have different angle measures.

  1. Two triangles. Left triangle has angles 50 & 45 degrees with the side opposite the unknown angle having a length of 6 while the side opposite the 50 degree angle is 4. The right triangle has the angles 50 and 85 degrees with the side opposite the 85 degree is 9 and the side opposite the 50 degree angle is 6.

    Find the missing angle measure for each triangle to see if applies.

  1. Write a ratio for each pair of sides. If the triangles are similar, all three ratios should be equal.

    Is this true?