1. A 3-inch by 5-inch photograph is enlarged by a factor of 1.5 in each dimension. What will be the area of the enlarged photograph in square inches? ___
2. A model of a dome is 0.5 meters in diameter and required 15.7 square meters of gold leaf. The actual dome is 20 meters in diameter. How much gold leaf, in square meters, is needed for the actual dome? ___
3. A scale model of a sailboat has dimensions that are one-tenth of the real sailboat. If the real sail has an area of 75 square feet, what is the area of the model's sail in square feet? ___
4. An orange with a diameter of 8 centimeters has a peel area of about 200 square centimeters. How much peel area, in square centimeters, would you expect on a similar orange with a 10-centimeter diameter? ___
5. A copy of a mural that covers 10 square meters is made. The copy will be one-half the size in each dimension. What will be the area of the copy in square meters? ___
6. Which is the better deal for the same price: three 8-inch diameter pizzas or one 16-inch diameter pizza?
7. A check is 2.5 inches wide by 6 inches long. A poster-size version is made that is 12 times as large in both dimensions. What is the area of the poster-size check in square inches? ___
8. Two similar hexagons have corresponding side lengths of 5 cm and 8 cm. If the perimeter of the smaller hexagon is 40 cm, what is the perimeter of the larger hexagon in cm? ___
9. Two similar rectangles have a side length ratio of 3 to 5. If the perimeter of the larger rectangle is 75 inches, the perimeter of the smaller rectangle is ___ inches.
10. Two similar triangles have corresponding side lengths of 10 meters and 12 meters. What is the ratio of the perimeter of the smaller triangle to the perimeter of the larger triangle?