2.2.2 Applications of Proportion – Practice (continued)

7. On a sunny day, a 2-foot red kangaroo casts a shadow that is 7 feet long. The shadow of a nearby eucalyptus tree is 14 feet long. Find the height of the tree.

8. The lengths of the sides of a square are multiplied by 1.2. How is the ratio of the areas related to the ratio of the side lengths?

9. Each dimension of a right triangle with legs of length 6 cm and 8 cm and a hypotenuse of length 10 cm is multiplied by 1/2 to form a similar right triangle. How is the ratio of perimeters related to the ratio of corresponding sides? How is the ratio of areas related to the ratio of corresponding sides?

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