7.2.2 Using Proportional Relationships - Practice
1. Marcy is 5 ft 5 in. tall. To find the height of a building, she measured her shadow and the building’s shadow. What is the height h of the building?
2. A man is 5 feet 9 inches tall. To find the height of a tree, the shadow of the
man and the shadow of the tree were measured. The length of the man’s shadow was 3 feet 6 inches. The length of the tree’s shadow was 10 feet 6 inches. What is the height of the tree?
4. A blueprint for a lighthouse uses a scale of 1 in:5 ft. The lighthouse in the blue print is 6 in. tall. How tall is the actual lighthouse?
3. A man is 6 feet 2 inches tall. To find the height of a tree, the shadow of the man and the shadow of the tree were measured. The length of the man’s shadow was 2 feet 1 inch. The length of the tree’s shadow was 3 feet 7 inches. What is the height of the tree?
6. △ PTS ~ △ DRV. Find the perimeter and area of △ PTS to the nearest tenth.
5. A blueprint for a house uses a scale of 1.4 cm:6.5 ft. The actual house is 52 ft tall. How tall is the house in the blueprint?
41
Made with FlippingBook - PDF hosting