In a plan of a residential compound, if the buildings are 5 cm in height, the plan uses a 1 cm : 3 m scale. What is the height of the buildings in real life?
In a museum design, the height of one of the statues is 4 cm. Use the scale to find the statue’s height in real life.
An architect drew a scaled drawing of a school. The scale he used was . The school is 9 centimeters wide in drawing. How wide is the school in real life?