Chapter 6 Review A comparison of two quantities is called _______________. A _______________ can be written in three different ways. Name the three ways using the letter a and b. A statement that two ratios are equal is called a _______________. When solving a proportion, you use cross products. Write an example of a proportion. When figures have the same shape but different sizes, they are called _______________ _______________. Two polygons are similar if and only if their corresponding _______________ are congruent and the measures of their corresponding _______________ are proportional. Solve for x and y. ___________-___________ (AA) Similarity- If two angles of one triangle are congruent to two angles of another triangle, then the triangles are ________________. ___________-___________-___________ (SSS) Similarity- If the measures of the corresponding ________________ of two triangles are proportional, then the triangles are similar. ___________-___________-___________ (SAS) Similarity- If the measures of two sides of a triangle are proportional to the measures of two corresponding sides of another triangle and the ________________ angles are congruent, then the triangles are similar. If you wanted to measure the height of the Sears tower in Chicago, you could measure a 12-foot light pole and measure its shadow. If the length of the shadow was 2 feet and the shadow of the Sears Tower was 242 feet, what is the height of the Sears Tower? In any triangle, a line parallel to one side of a triangle separates the other two sides ___________________. Solve for x.