5. Ratios and Proportions
Scale Drawings — Quiz
Test your understanding of scale drawings with 5 practice questions.
Practice Questions
Question 1
A map has a scale of $1:25000$. If a river is $$8 \text{ cm}$ long on the map, what is the actual length of the river in kilometers?
Question 2
A scale model of a building has a height of $30 \text{ cm}$. If the actual building is $120 \text{ meters}$ tall, what is the scale of the model to the actual building?
Question 3
A blueprint shows a rectangular room with dimensions $10 \text{ cm} \times 12 \text{ cm}$. If the scale of the blueprint is $1 \text{ cm} = 0.5 \text{ meters}$, what is the actual area of the room in square meters?
Question 4
A photograph is $20 \text{ cm}$ wide and $25 \text{ cm}$ long. If it is reduced by a scale factor of $0.4$, what will be the new perimeter of the reduced photograph?
Question 5
A map has a scale of $1 \text{ inch} = 10 \text{ miles}$. If a nature trail is $2.5 \text{ inches}$ long on the map, what is the actual length of the trail in miles?